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en/docs/dev_doc/datasheet/index.md
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Core Modules Datasheets
Core Module Datasheets

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en/docs/dev_doc/datasheet/modules/a316_1926_v1_datasheet.md
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@@ -16,20 +16,20 @@ __USB HiFi Decoder Dedicated XU316 Module with Integrated 45.158MHz and 49.152MH
<div class="result" markdown>
![A316-1926-V1 USB Multi-channel Audio Decoder Module](/assets/images/hifi_audio/a316_1926v1.png "A316-1926-V1 USB Multi-channel Audio Decoder Module"){align=right width=200 style="float: right; margin: 0 80px 0 80px;"}
## 1. Product Overview
## 1. Product Introduction
### 1.1 Product Description
- A316-1926V1 is a USB multi-channel high-definition audio decoder module. The module uses XMOS <a href="javascript:void(0);" onclick="checkLogin('/assets/download/XMOS-XU316-1024-QF60B-C24.pdf')">XU316-1024-QF60BC24</a> chip and integrates a high-precision DC-DC chip that outputs 1.8V and 0.9V to power the XU316. The module integrates 45.158MHz and 49.152MHz active crystals to meet different high-definition audio sampling rate requirements. The module includes a built-in 24MHz crystal and 16Mbit Flash required by XU316 for storing audio firmware.
- A316-1926V1 provides a USB Audio device with USB 2.0 interface compatible with both Full-speed and High-speed modes. In USB 2.0 asynchronous mode, it supports sampling rates up to 768 KHz.
- Combined with different firmware, A316-1926V1 can process up to 6 channels of SPDIF high-definition audio and 2 channels of I2S high-definition audio signals, meeting the requirements of various high-definition audio decoders.
- A316-1926V1 is a USB multi-channel high-definition audio decoder module. The module uses XMOS's <a href="javascript:void(0);" onclick="checkLogin('/assets/download/XMOS-XU316-1024-QF60B-C24.pdf')">XU316-1024-QF60BC24</a> chip and integrates a high-precision DC-DC chip that outputs 1.8V and 0.9V to power the XU316. The module incorporates 45.158MHz and 49.152MHz active crystals to meet different high-definition audio sampling rate requirements. The module includes a built-in 24MHz crystal and 16Mbit Flash for the XU316 to store audio firmware.
- A316-1926V1 provides a USB Audio device compatible with USB 2.0 full-speed and high-speed interfaces. In USB 2.0 asynchronous mode, it supports sampling rates up to 768 KHz.
- With different firmware, A316-1926V1 can process up to 6 channels of SPDIF high-definition audio and 2 channels of I2S high-definition audio signals, meeting the demands of various high-definition audio decoder applications.
</div>
### 1.2 Product Features
- **Hardware Configuration**
- Integrates high-precision DC-DC chip; module requires only 3.3V external power supply
- Integrates 45.158MHz and 49.152MHz active crystals to meet HiFi application requirements
- Integrates 16Mbit QSPI Flash for firmware and data storage
- Integrated high-precision DC-DC chip, external module only requires 3.3V power supply
- Integrated 45.158MHz and 49.152MHz active crystals to meet HiFi application requirements
- Integrated 16Mbit QSPI Flash for firmware and data storage
- **USB Interface Features**
- USB 2.0 (Full-speed and High-speed)
- USB Audio Class 1.0
@@ -44,17 +44,17 @@ __USB HiFi Decoder Dedicated XU316 Module with Integrated 45.158MHz and 49.152MH
<figcaption></figcaption>
</figure>
### 1.4 Specifications
### 1.4 Specification Description
<!-- --8<-- [start:spec] -->
| Specification Item | Description
| :----------------------------| :----------
| Product Name | A316-1926-V1
| Product Description | USB HiFi Decoder Dedicated XU316 Module
| Clock | 48.152MHz/49.152MHz Active Crystal Oscillator
| Package Type | SMT Castellated Holes
| Environmental Compliance | All hardware components fully comply with EU RoHS directive
| Specification Item | Description
| :------------------------| :----------
| Product Name | A316-1926-V1
| Product Description | XU316 Module for USB HiFi Decoders
| Clock | 48.152MHz/49.152MHz Active Crystal Clock
| Package Type | SMT Castellated Holes
| Environmental Compliance | All hardware components fully comply with EU RoHS Directive
<!-- --8<-- [end:spec] -->
@@ -134,7 +134,7 @@ PCB Dimensions:
19.5±0.3mm(L)X26±0.3mm(W)X0.8±0.1mm(H)
<!-- --8<-- [end:size] -->
### 3.2 Module Footprint Diagram
### 3.2 Module Footprint
<figure markdown="span">
![A316-1926-V1 Footprint Diagram](/assets/images/hifi_audio/a316_1926v1_module_size.png "A316-1926-V1 Footprint Diagram"){width=300}
<figcaption></figcaption>
@@ -157,9 +157,9 @@ Tray + Outer Box Packaging
| V1.1 | 2025-05-07 | Removed software-related feature descriptions | |
| | | | |
## 7. Consultation & Feedback
## 7. Inquiry and Feedback
<details>
<summary>Click to Expand Consultation & Feedback Form</summary>
<summary>Click to Expand Inquiry and Feedback Form</summary>
--8<-- "common/customer_form.md"

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en/docs/dev_doc/datasheet/modules/a316_codec_v1_datasheet.md
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@@ -14,12 +14,12 @@ __XMOS XU316 Module with Integrated Codec for Microphone Applications__
</div>
</div>
## 1. Product Overview
## 1. Product Introduction
### 1.1 Product Description
![A316-Codec-V1 USB Multi-channel Audio Decoder Module](/assets/images/hifi_audio/a316_codec_v1.png "A316-Codec-V1 USB Audio Capture and Playback Module"){ width=350 style="float: right; margin: 0 0 0 0;" }
![A316-Codec-V1 USB Multi-Channel Audio Decoder Module](/assets/images/hifi_audio/a316_codec_v1.png "A316-Codec-V1 USB Voice Recording and Playback Module"){ width=350 style="float: right; margin: 0 0 0 0;" }
- A316-Codec-V1 is a module specifically designed for USB microphone applications, integrating the XMOS XU316 processor and 88L21 high-performance audio codec, providing exceptional audio processing performance.
- The module integrates high-precision DC-DC power circuits that output 3.3V, 1.8V, and 0.9V to power the XU316, requiring only a direct 5V input externally, significantly simplifying the design complexity of the carrier board application.
- A316-Codec-V1 is a module specifically designed for USB microphone applications, integrating the XMOS XU316 processor and the 88L21 high-performance audio codec, delivering exceptional audio processing performance.
- The module integrates a high-precision DC-DC power circuit that outputs 3.3V, 1.8V, and 0.9V to power the XU316. External input only requires a 5V power supply, significantly simplifying the design complexity of baseboard applications.
- The module supports external single-ended and differential microphone inputs and provides stereo audio output, suitable for various audio capture and playback application scenarios.
- The module is equipped with 16Mbit Flash memory for storing audio firmware and system configuration, supporting firmware upgrade functionality.
- Provides USB 2.0 interface, supports full-speed and high-speed modes, implements USB Audio device functionality, and is compatible with multiple operating systems.
@@ -53,16 +53,16 @@ __XMOS XU316 Module with Integrated Codec for Microphone Applications__
<figcaption>Figure 1: A316-Codec-V1 System Block Diagram</figcaption>
</figure>
### 1.4 Specifications
### 1.4 Specification Description
| Specification Item | Description |
|:---------------------|:---------------------------------|
| Product Name | A316-Codec-V1 |
| Product Description | USB Microphone and Audio I/O Module |
| Core Processor | XMOS XU316-1024-QF60BC24 |
| Audio Codec | NAU88L21 High-Performance Codec |
| Package Type | Compatible with SMT and Pin Header |
| Environmental Compliance | Compliant with RoHS Directive |
| Specification Item | Description |
|:------------------------|:---------------------------------|
| Product Name | A316-Codec-V1 |
| Product Description | USB Microphone and Audio Input/Output Module |
| Core Processor | XMOS XU316-1024-QF60BC24 |
| Audio Codec | NAU88L21 High-Performance Codec |
| Package Type | Compatible with SMT and Pin Header |
| Environmental Standard | Complies with RoHS Directive |
### 1.5 Absolute Maximum Ratings
| Parameter | Minimum | Maximum | Unit |
@@ -131,10 +131,10 @@ __XMOS XU316 Module with Integrated Codec for Microphone Applications__
### 3.1 Module Dimensions
PCB Dimensions: 18.0±0.2(L)X35.16±0.2(W)X1.0±0.1(H) mm
### 3.2 Module Footprint Diagram
### 3.2 Module Footprint
<figure markdown="span">
![A316-Codec-V1 Footprint Diagram](/assets/images/hifi_audio/a316_codec_v1_size.png "A316-Codec-V1 Footprint Diagram"){width=600}
<figcaption>Figure 3: A316-Codec-V1 Footprint Dimensions</figcaption>
![A316-Codec-V1 Footprint](/assets/images/hifi_audio/a316_codec_v1_size.png "A316-Codec-V1 Footprint"){width=600}
<figcaption>Figure 3: A316-Codec-V1 Package Dimensions</figcaption>
</figure>
## 4. Typical Application Schematic
@@ -144,7 +144,7 @@ PCB Dimensions: 18.0±0.2(L)X35.16±0.2(W)X1.0±0.1(H) mm
<figcaption>Figure 4: A316-Codec-V1 Typical Application Schematic</figcaption>
</figure>
This schematic shows the typical connection method of the A316-Codec-V1 module in USB microphone applications. The module connects to host devices (such as computers or smartphones) via USB interface, enabling bidirectional transmission of digital audio. Only 5V power input is required externally, and the module's internal DC-DC power management circuit automatically converts to the operating voltages required by XU316 and 88L21. The microphone input port supports single-ended or differential microphone connections, and the stereo output can connect to headphones. The integrated high-performance codec in the module ensures audio quality while simplifying external circuit design.
This schematic illustrates the typical connection method for the A316-Codec-V1 module in USB microphone applications. The module connects to a host device (such as a computer or smartphone) through the USB interface, enabling bidirectional digital audio transmission. External input only requires 5V power supply, and the module's internal DC-DC power management circuit automatically converts to the operating voltages required by the XU316 and 88L21. The microphone input port supports connecting single-ended or differential microphones, and the stereo output can connect to headphones. The module's integrated high-performance codec ensures audio quality while simplifying external circuit design.
## 5. Product Packaging Information
Tray + Outer Box Packaging
@@ -162,9 +162,9 @@ Tray + Outer Box Packaging
| V1.0 | 2025-05-07 | Initial Release | |
| | | | |
## 7. Consultation & Feedback
## 7. Inquiry and Feedback
<details>
<summary>Click to Expand Consultation & Feedback Form</summary>
<summary>Click to Expand Inquiry and Feedback Form</summary>
--8<-- "common/customer_form.md"

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en/docs/dev_doc/datasheet/modules/a316_mini_v1_datasheet.md
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@@ -18,19 +18,19 @@ __Minimum Footprint XU316 Mini Module__
<div class="result" markdown>
![A316-Mini-V1 USB Module](/assets/images/hifi_audio/a316_mini.png "A316-Mini-V1 USB High-Definition Audio Decoder Module"){align=right width=150}
## 1. Product Overview
## 1. Product Introduction
### 1.1 Product Description
- A316-Mini-V1 is a Mini module designed for compact products, with module dimensions of only 13mm x 13mm, specifically designed for high-end audio systems with space constraints.
- The module integrates <a href="javascript:void(0);" onclick="checkLogin('/assets/download/XMOS-XU316-1024-QF60B-C24.pdf')">XU316-1024-QF60BC24</a> chip, with built-in 24MHz crystal and 16Mbit Flash required by XU316 for firmware storage.
- Combined with different firmware, A316-Mini-V1 can meet various audio application requirements.
- A316-Mini-V1 is a Mini module designed for small-sized products with dimensions of only 13mm x 13mm, specifically designed for space-constrained high-end audio systems.
- The module integrates the <a href="javascript:void(0);" onclick="checkLogin('/assets/download/XMOS-XU316-1024-QF60B-C24.pdf')">XU316-1024-QF60BC24</a> chip and includes a built-in 24MHz crystal and 16Mbit Flash for firmware storage.
- With different firmware, A316-Mini-V1 can meet various audio application solution requirements.
</div>
### 1.2 Product Features
- **Hardware Configuration**
- 3.3V, 1.8V, 0.9V power supply
- Integrates 16Mbit QSPI Flash for firmware and data storage
- 3.3V, 1.8V, 0.9V Power Supply
- Integrated 16Mbit QSPI Flash for firmware and data storage
- **USB Interface Features**
- USB 2.0 (Full-speed and High-speed)
- USB Audio Class 1.0
@@ -45,16 +45,16 @@ __Minimum Footprint XU316 Mini Module__
<figcaption></figcaption>
</figure>
### 1.4 Specifications
### 1.4 Specification Description
<!-- --8<-- [start:spec] -->
| Specification Item | Description
| :----------------------------| :----------
| Product Name | A316-Mini-V1
| Product Description | Ultra-compact XU316 Module
| Package Type | SMT LGA
| Environmental Compliance | All hardware components fully comply with EU RoHS directive
| Specification Item | Description
| :------------------------| :----------
| Product Name | A316-Mini-V1
| Product Description | Ultra-Compact XU316 Module
| Package Type | SMT LGA
| Environmental Compliance | All hardware components fully comply with EU RoHS Directive
<!-- --8<-- [end:spec] -->
@@ -161,9 +161,9 @@ PCB Dimensions:
13±0.1mm(L)X13±0.1mm(W)X0.8±0.1mm(H)
<!-- --8<-- [end:size] -->
### 3.2 Module Footprint Diagram
### 3.2 Module Footprint
<figure markdown="span">
![A316-Mini-V1 Footprint Diagram](/assets/images/hifi_audio/a316_size.png "A316-Mini-V1 Footprint Diagram"){width=600}
![A316-Mini-V1 Footprint](/assets/images/hifi_audio/a316_size.png "A316-Mini-V1 Footprint"){width=600}
<figcaption></figcaption>
</figure>
@@ -190,9 +190,9 @@ Tray + Outer Box Packaging
| V1.0 | 2025-05-07 | Initial Release | |
| V1.1 | 2025-10-07 | Added minimum system reference design | |
## 8. Consultation & Feedback
## 8. Inquiry and Feedback
<details>
<summary>Click to Expand Consultation & Feedback Form</summary>
<summary>Click to Expand Inquiry and Feedback Form</summary>
--8<-- "common/customer_form.md"

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---
title: DNR6521x-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interfaces
description: DNR6521x-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interfaces Datasheet
author: Technical Documentation Department
date: 2025-05-14
print_page: true
---
--8<-- "common/phaten_xmos_support_img.md"
<div class="grid" markdown>
<div class="card-wide" markdown>
# DNR6521x-VC1
__Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interfaces__
</div>
</div>
## 1. Introduction
### 1.1 Product Description
DNR65211 is a high-performance AI deep noise reduction product based on XMOS processor architecture, designed to provide audio equipment manufacturers with exceptional audio processing capabilities. The product integrates two independently optimized AI noise reduction models.
- The strong noise reduction model employs deep neural network architecture to effectively process various stationary and non-stationary noises in complex acoustic environments, achieving maximum noise suppression while ensuring high voice fidelity
- The singing noise reduction model reduces processing latency to 11 milliseconds through lightweight design, effectively suppressing background noise while completely preserving vocal characteristics
- The product supports I2S audio input and can simultaneously output to USB and I2S interfaces, widely applicable to live streaming equipment, conference systems, recording devices, outdoor sports DV, and other application fields
### 1.2 Product Features
**Audio Performance Features**
- AI Deep Noise Reduction
- Eliminates various stationary and non-stationary noises, adapts to complex acoustic environments
- Effectively eliminates sudden noises such as key sounds, keyboard sounds, footstep sounds
- Dual AI Noise Reduction Models
- Strong noise reduction model suitable for complex acoustic scenarios: outdoor recording, gaming, etc.
- Singing noise reduction model suitable for indoor live streaming, singing or interview scenarios
- Ultra-Low Latency Real-Time Processing
- Strong noise reduction model latency <50ms, meets audio-video synchronization requirements
- Singing noise reduction model latency <11ms, meets strict live singing requirements
- High-Fidelity Voice Restoration
- Strong noise reduction model completely preserves voice characteristics
- Singing noise reduction model not only completely preserves voice characteristics but also completely preserves singing tail tones
**USB Interface Features**
- Supports UAC 2.0
- Supports OTG connection
- Plug and play, no driver installation required
- Supports HID configuration
**System Compatibility**
- Supports multiple operating systems such as Windows, Linux, Android, macOS, and iOS
- No special driver installation required
**Codec Support**
- Supports NAU88l21
### 1.3 Application Scenarios
- Live Streaming Equipment
- Effectively suppresses various environmental noises, adapts to diverse live streaming scenarios
- Gaming Headsets
- Eliminates keyboard sounds, mouse clicks, and background noise, providing clear teammate communication experience
- Outdoor Sports Equipment
- Suppresses wind noise and environmental noise interference in sports scenarios, providing clear calling and recording experience for outdoor sports enthusiasts
- Outdoor Recording Equipment
- Achieves high-quality recording in complex outdoor acoustic environments, meeting professional requirements for on-site interviews and content creation
- Conference System Equipment
- Processes background noise such as air conditioning sounds and footstep sounds in office environments
- Communication Devices
- Suitable for business calls with strict real-time requirements, providing imperceptible latency voice processing experience
### 1.4 Product Functional Block Diagram
<figure markdown="span">
![DNR65211 Block Diagram](/assets/images/hifi_audio/dnr65211_diagram.png "DNR6521x-VC1 Block Diagram"){width=600}
<figcaption>Figure 1: DNR6521x-VC1 Block Diagram</figcaption>
</figure>
### 1.5 Ordering Information
| PRODUCT MODEL | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Hardware Model | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|:------------|
| DNR65211-VC1 | DNR65211-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | Single-channel ultra-low latency AI deep noise reduction processor with integrated USB and I2S interfaces, singing + strong noise reduction models, 3-level noise reduction |
| DNR65212-VC1 | DNR65212-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | Single-channel ultra-low latency AI deep noise reduction processor with integrated USB and I2S interfaces, strong noise reduction model, 2-level noise reduction |
## 2. Modes and Specifications
### 2.1 Supported Input/Output Modes
| Mode Number | Input/Output Mode | Description |
|:--------:|:------------------------|:------------------------|
| 1 | I²S In(Master) → Ai DNR → USB(UAC2.0) <br> I²S In(Master) → Ai DNR → I²S Out(Master) | Supports USB and I²S input, USB and I²S output, internal AI noise reduction |
### 2.2 Detailed Parameters for Each Operating Mode
#### 2.2.1 USB(UAC2.0) ←→ I²S(Master) Mode
**Input/Output Parameters:**
| Parameter | Input/Output | Input/Output |
|:---------|:-------------|:-------------|
| **Interface** | USB Audio Class 2.0 | I²S(Master) |
| **Audio Format** | PCM | PCM |
| **Sampling Rate** | 48KHz/24bit | 48kHz/24bit |
| **Bit Depth** | Fixed 24bit | Fixed 24bit |
#### 2.2.2 Supported Codec
- This product is compatible with NAU88l21 codec
### 2.3 Noise Reduction Performance Comparison
!!! info ""
<div class="sticky-column" markdown>
| Comparison Dimension | DNR65211 Strong Noise Reduction Model | DNR65211 Singing Noise Reduction Model | Traditional Noise Reduction Technology |
|----------------|---------------------------------------------|-----------------------------------------------|----------------------------------|
| **Technical Principle** | Deep neural network architecture, AI algorithm real-time spectrum analysis, intelligent voice and noise component identification | Based on strong noise reduction model, specially optimized for music scene processing, preserves singing tone and timbre characteristics | Frequency domain filtering method, based on statistical models and fixed algorithm parameters |
| **Processing Latency** | < 50ms meets audio-video synchronization | < 11ms ultra-low latency | Medium latency |
| **Noise Processing Capability** | Effectively processes stationary and non-stationary noise | Specially optimized for music content processing | Limited capability for non-stationary noise |
| **Voice Fidelity** | Completely preserves voice characteristics | Completely preserves singing tail tone details | Possible audio quality loss |
| **Environmental Adaptability** | Processes various complex acoustic environments | Specially optimized for music scenarios | Suitable for relatively stable acoustic environments |
| **Typical Applications** | Outdoor live streaming equipment, gaming headsets, conference systems, professional recording equipment | Indoor live streaming equipment, karaoke equipment, music recording, online interview systems | Traditional telephone systems, basic conference equipment, basic audio processing |
</div>
## 3. Pin Configuration and Functions
### 3.1 DNR65211_VC1 Pin Layout
<figure markdown="span">
![DNR6521x-VC1 Pin Diagram](/assets/images/hifi_audio/a316_pin.png "DNR6521x-VC1 Pin Diagram"){width=400}
<figcaption>Figure 2: DNR65211_VC1 Pin Layout Diagram</figcaption>
</figure>
### 3.2 DNR65211_VC1 Pin Description
| Pin Number | Name | Type | Function |
|:--------:|:----------|:------|:-----------------------------|
| 1 | 3.3V | P | Module 3.3V power supply |
| 2 | X1D13 | I/O | NC |
| 3 | X1D16 | I/O | NC |
| 4 | GND | P | Module ground |
| 5 | X1D17 | I/O | NC |
| 6 | X1D18 | I/O | NC |
| 7 | X1D19 | I/O | NC |
| 8 | X1D22 | I/O | NC |
| 9 | X0D29 | I/O | Active low<br><br>DNR65211 function definition<br>{Low noise level LED indicator<br>Slow blink: Singing noise reduction model <br>Constant on: Strong noise reduction model}<br><br>DNR65212 function definition<br>{Noise reduction off LED indicator, constant on} |
| 10 | X0D35 | I | I²S_IN_SCLK(MASTER, connect to NAU88L21) |
| 11 | X0D36 | I | I²S_IN_LRCLK(MASTER, connect to NAU88L21) |
| 12 | X0D37 | I/O | I²S_IN_DATA0(MASTER, connect to NAU88L21) |
| 13 | X0D38 | O | I²S_OUT_DATA0(MASTER, connect to NAU88L21) |
| 14 | X0D40 | I/O | Active low<br><br>DNR65211 function definition<br>{Short press to cycle through noise reduction strength: Off, Low, Medium, High<br>Long press: Switch noise reduction model}<br><br>DNR65212 function definition<br>{Short press to cycle through noise reduction strength: Off, Low, High} |
| 15 | X0D39 | I | I²S_OUT_MCLK(MASTER, connect to NAU88L21) |
| 16 | X0D42 | I/O | Microphone MUTE_SW, active low, turns off MIC input |
| 17 | X0D41 | I/O | Microphone volume +, active low |
| 18 | X0D43 | I/O | Microphone volume -, active low |
| 19 | X1D34 | I/O | NC |
| 20 | GND | P | Module ground |
| 21 | X0D30 | I/O | Active low<br><br>DNR65211 function definition<br>{Medium noise level LED indicator<br>Slow blink: Singing noise reduction model <br>Constant on: Strong noise reduction model}<br><br>DNR65212 function definition<br>{Low noise level LED indicator, constant on} |
| 22 | X0D31 | I/O | Active low<br><br>DNR65211 function definition<br>{High noise level LED indicator<br>Slow blink: Singing noise reduction model <br>Constant on: Strong noise reduction model}<br><br>DNR65212 function definition<br>{High noise level LED indicator, constant on} |
| 23 | X0D32 | I/O | SPK volume +, active low |
| 24 | X0D33 | I/O | SPK volume -, active low |
| 25 | GND | P | Module ground |
| 26 | GND | P | Module ground |
| 27 | GND | P | Module ground |
| 28 | X0D00 | I/O | I2C_SCL(connect to NAU88L21) |
| 29 | X0D11 | I/O | I2C_SDA(connect to NAU88L21) |
| 30 | X1D00 | I/O | NC |
| 31 | X1D01 | I/O | NC |
| 32 | GND | P | Module ground |
| 33 | X1D09 | I/O | NC |
| 34 | X1D10 | I/O | NC |
| 35 | X1D11 | O | XU316 internal clock output, connect to X0D39 |
| 36 | GND | P | Module ground |
| 37 | GND | P | Module ground |
| 38 | TDI | I/O | XTAG debug pin |
| 39 | TDO | I/O | XTAG debug pin |
| 40 | TMS | I/O | XTAG debug pin |
| 41 | TCK | I/O | XTAG debug pin |
| 42 | RST_N | I/O | System reset, active low |
| 43 | 1.8V | P | Module 1.8V power supply |
| 44 | GND | P | Module ground |
| 45 | USB_DM | I/O | USB_DM |
| 46 | USB_DP | I/O | USB_DP |
| 47 | GND | P | Module ground |
| 48 | 0.9V | P | Module 0.9V power supply |
| 49 | GND | P | Module ground |
| 50 | GND | P | Module ground |
| 51 | GND | P | Module ground |
| 52 | GND | P | Module ground |
!!! info "Pin Type Description"
I/O types in table: I=Input, O=Output, P=Power, I/O=Input/Output
## 4. Hardware Parameters
### 4.1 Normal Operating Conditions
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:op"
### 4.2 Product Dimensions
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:size"
### 4.3 Module Package Diagram
<figure markdown="span">
![A316-Mini-V1 Package Diagram](/assets/images/hifi_audio/a316_size.png "A316-Mini-V1 Package Diagram"){width=400}
<figcaption></figcaption>
</figure>
## 5 Product Packaging Information
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:package"
## 6. Revision History
| Version | Date | Description | Author |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-08-10 | Initial version release | |
| | | | |
## 7. Inquiry and Feedback
<details>
<summary>Click to expand inquiry and feedback form</summary>
--8<-- "common/customer_form.md"
</details>

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@@ -1,6 +1,6 @@
---
title: DNR65221-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and PDM Interfaces
description: DNR65221-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and PDM Interfaces Datasheet
title: DNR65221-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and PDM Interface
description: DNR65221-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and PDM Interface Datasheet
author: Technical Documentation Department
date: 2025-05-14
print_page: true
@@ -11,7 +11,7 @@ print_page: true
<div class="card-wide" markdown>
# DNR65221-VC1
__Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and PDM Interfaces__
__Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and PDM Interface__
</div>
</div>
@@ -19,53 +19,53 @@ __Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integr
### 1.1 Product Description
DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS processor architecture, designed to provide audio equipment manufacturers with exceptional audio processing capabilities. The product integrates two independently optimized AI noise reduction models.
DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS processor architecture, designed to provide exceptional audio processing capabilities for audio device manufacturers. The product integrates two independently optimized AI noise reduction models.
- The strong noise reduction model employs deep neural network architecture to effectively process various stationary and non-stationary noises in complex acoustic environments, achieving maximum noise suppression while ensuring high voice fidelity
- The singing noise reduction model reduces processing latency to 11 milliseconds through lightweight design, effectively suppressing background noise while completely preserving vocal characteristics
- The product supports PDM audio input and can output to USB interface, widely applicable to live streaming equipment, conference systems, recording devices, outdoor sports DV, and other application fields
- The Strong Noise Reduction model employs a deep neural network architecture capable of effectively processing various stationary and non-stationary noises in complex acoustic environments, achieving maximum noise suppression while ensuring high voice fidelity
- The Singing Noise Reduction model reduces processing latency to 11 milliseconds through lightweight design, effectively suppressing background noise while completely preserving vocal characteristics
- The product supports PDM audio input with simultaneous output to USB interface, widely applicable to live streaming devices, conference systems, recording equipment, outdoor sports cameras, and many other application fields
### 1.2 Product Features
**Audio Performance Features**
- AI Deep Noise Reduction
- Eliminates various stationary and non-stationary noises, adapts to complex acoustic environments
- Effectively eliminates sudden noises such as key sounds, keyboard sounds, footstep sounds
- Eliminates various stationary and non-stationary noises, adapting to complex acoustic environments
- Effectively eliminates sudden noises such as button clicks, keyboard typing, and footsteps
- Dual AI Noise Reduction Models
- Strong noise reduction model suitable for complex acoustic scenarios: outdoor recording, gaming, etc.
- Singing noise reduction model suitable for indoor live streaming, singing or interview scenarios
- Strong Noise Reduction model for complex acoustic scenarios: outdoor recording, gaming, and similar scenes
- Singing Noise Reduction model for indoor live singing or interview scenarios
- Ultra-Low Latency Real-Time Processing
- Strong noise reduction model latency <50ms, meets audio-video synchronization requirements
- Singing noise reduction model latency <11ms, meets strict live singing requirements
- High-Fidelity Voice Restoration
- Strong noise reduction model completely preserves voice characteristics
- Singing noise reduction model not only completely preserves voice characteristics but also completely preserves singing tail tones
- Strong Noise Reduction model latency <50ms, meeting lip-sync requirements
- Singing Noise Reduction model latency <11ms, meeting strict live singing requirements
- High-Fidelity Voice Reproduction
- Strong Noise Reduction model completely preserves voice characteristics
- Singing Noise Reduction model not only preserves voice characteristics but also completely retains vocal trailing tones
**USB Interface Features**
- Supports UAC 2.0
- Supports OTG connection
- Plug and play, no driver installation required
- Plug-and-play, no driver installation required
- Supports HID configuration
**System Compatibility**
- Supports multiple operating systems such as Windows, Linux, Android, macOS, and iOS
- Supports multiple operating systems including Windows, Linux, Android, macOS, and iOS
- No special driver installation required
### 1.3 Application Scenarios
- Live Streaming Equipment
- Effectively suppresses various environmental noises, adapts to diverse live streaming scenarios
- Live Streaming Devices
- Effectively suppresses various environmental noises, adapting to diverse streaming scenarios
- Gaming Headsets
- Eliminates keyboard sounds, mouse clicks, and background noise, providing clear teammate communication experience
- Eliminates keyboard noise, mouse clicks, and background noise, providing clear teammate communication experience
- Outdoor Sports Equipment
- Suppresses wind noise and environmental noise interference in sports scenarios, providing clear calling and recording experience for outdoor sports enthusiasts
- Suppresses wind noise and environmental noise interference in sports scenarios, providing clear call and recording experience for outdoor sports enthusiasts
- Outdoor Recording Equipment
- Achieves high-quality recording in complex outdoor acoustic environments, meeting professional requirements for on-site interviews and content creation
- Achieves high-quality recording in complex outdoor acoustic environments, meeting professional needs for on-site interviews and content creation
- Conference System Equipment
- Processes background noise such as air conditioning sounds and footstep sounds in office environments
- Processes background noises such as air conditioning and footsteps in office environments
- Communication Devices
- Suitable for business calls with strict real-time requirements, providing imperceptible latency voice processing experience
@@ -80,7 +80,7 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
| PRODUCT MODEL | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Hardware Model | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|:------------|
| DNR65221-VC1 | DNR65221-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | Single-channel ultra-low latency AI deep noise reduction processor with integrated USB and PDM interfaces |
| DNR65221-VC1 | DNR65221-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and PDM Interface |
## 2. Modes and Specifications
@@ -88,11 +88,11 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
| Mode Number | Input/Output Mode | Description |
|:--------:|:------------------------|:------------------------|
| 1 | I²S In(Master) → USB(UAC2.0) <br> I²S In(Master) → I²S Out(Master) | Supports USB and I²S input, USB and I²S output, internal AI noise reduction |
| 1 | I²S In(Master) → USB(UAC2.0) <br> I²S In(Master) → I²S Out(Master) | Supports USB and I²S input, USB and I²S output, with internal AI noise reduction |
### 2.2 Detailed Parameters for Each Operating Mode
#### 2.2.1 USB(UAC2.0) ←→ I²S(Master) Mode
#### 2.2.1 USB(UAC2.0) ←→ I²S(Master) Mode
**Input/Output Parameters:**
@@ -100,7 +100,7 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
|:---------|:-------------|:-------------|
| **Interface** | USB Audio Class 2.0 | I²S(Master) |
| **Audio Format** | PCM | PCM |
| **Sampling Rate** | 48KHz/24bit | 48kHz/24bit |
| **Sample Rate** | 48KHz/24bit | 48kHz/24bit |
| **Bit Depth** | Fixed 24bit | Fixed 24bit |
@@ -109,13 +109,13 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
<div class="sticky-column" markdown>
| Comparison Dimension | Strong Noise Reduction Model | Singing Noise Reduction Model | Traditional Noise Reduction Technology |
|----------------|---------------------------------------------|-----------------------------------------------|----------------------------------|
| **Technical Principle** | Deep neural network architecture, AI algorithm real-time spectrum analysis, intelligent voice and noise component identification | Based on strong noise reduction model, specially optimized for music scene processing, preserves singing tone and timbre characteristics | Frequency domain filtering method, based on statistical models and fixed algorithm parameters |
| **Processing Latency** | < 50ms meets audio-video synchronization | < 11ms ultra-low latency | Medium latency |
| **Noise Processing Capability** | Effectively processes stationary and non-stationary noise | Specially optimized for music content processing | Limited capability for non-stationary noise |
| **Voice Fidelity** | Completely preserves voice characteristics | Completely preserves singing tail tone details | Possible audio quality loss |
|----------------|---------------------------------------------|-----------------------------------------------|---------------------------------|
| **Technical Principle** | Deep neural network architecture, AI algorithm analyzes spectral features in real-time, intelligently identifying voice and noise components | Based on Strong Noise Reduction model, specially optimized for music scene processing, preserving vocal pitch and timbre characteristics | Frequency domain filtering methods, based on statistical models and fixed algorithm parameters |
| **Processing Latency** | < 50ms, meeting lip-sync requirements | < 11ms, ultra-low latency | Moderate latency |
| **Noise Processing Capability** | Effectively processes stationary and non-stationary noise | Specially optimized for music content processing | Limited capability for non-stationary noise processing |
| **Voice Fidelity** | Completely preserves voice characteristics | Completely preserves vocal trailing tone details | May experience audio quality loss |
| **Environmental Adaptability** | Processes various complex acoustic environments | Specially optimized for music scenarios | Suitable for relatively stable acoustic environments |
| **Typical Applications** | Outdoor live streaming equipment, gaming headsets, conference systems, professional recording equipment | Indoor live streaming equipment, karaoke equipment, music recording, online interview systems | Traditional telephone systems, basic conference equipment, basic audio processing |
| **Typical Applications** | Outdoor streaming devices, gaming headsets, conference systems, professional recording equipment | Indoor streaming devices, karaoke equipment, music recording, online interview systems | Traditional telephone systems, basic conference equipment, fundamental audio processing |
</div>
@@ -127,7 +127,7 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
<figure markdown="span">
![DNR65221-VC1 Pin Diagram](/assets/images/hifi_audio/a316_pin.png "DNR65221-VC1 Pin Diagram"){width=400}
<figcaption>Figure 2: DNR65221_VC1 Pin Layout Diagram</figcaption>
<figcaption>Figure 2: DNR65221_VC1 Pin Arrangement Diagram</figcaption>
</figure>
### 3.2 DNR65221_VC1 Pin Description
@@ -142,20 +142,20 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
| 6 | X1D18 | I/O | NC |
| 7 | X1D19 | I/O | NC |
| 8 | X1D22 | I/O | NC |
| 9 | X0D29 | I/O | Active low<br>Low noise level LED indicator<br>Slow blink: Singing noise reduction model <br>Constant on: Strong noise reduction model |
| 9 | X0D29 | I/O | Active low<br>Low noise reduction level LED indicator<br>Slow flash: Singing Noise Reduction model. <br>Steady on: Strong Noise Reduction model |
| 10 | X0D35 | I | NC |
| 11 | X0D36 | I | NC |
| 12 | X0D37 | I/O | NC |
| 13 | X0D38 | O | NC |
| 14 | X0D40 | I/O | Active low<br>Short press to cycle through noise reduction strength: Off, Low, Medium, High<br>Long press: Switch noise reduction model |
| 14 | X0D40 | I/O | Active low<br>Short press to cycle through noise reduction intensity: Off, Low, Medium, High.<br>Long press: Switch noise reduction model. |
| 15 | X0D39 | I | NC |
| 16 | X0D42 | I/O | Microphone MUTE_SW, active low |
| 17 | X0D41 | I/O | Microphone volume +, active low |
| 18 | X0D43 | I/O | Microphone volume -, active low |
| 19 | X1D34 | I/O | NC |
| 20 | GND | P | Module ground |
| 21 | X0D30 | I/O | Active low<br>Medium noise level LED indicator<br>Slow blink: Singing noise reduction model <br>Constant on: Strong noise reduction model |
| 22 | X0D31 | I/O | Active low<br>High noise level LED indicator<br>Slow blink: Singing noise reduction model <br>Constant on: Strong noise reduction model |
| 21 | X0D30 | I/O | Active low<br>Medium noise reduction level LED indicator<br>Slow flash: Singing Noise Reduction model. <br>Steady on: Strong Noise Reduction model |
| 22 | X0D31 | I/O | Active low<br>High noise reduction level LED indicator<br>Slow flash: Singing Noise Reduction model. <br>Steady on: Strong Noise Reduction model |
| 23 | X0D32 | I/O | PDM_DATA IN |
| 24 | X0D33 | I/O | NC |
| 25 | GND | P | Module ground |
@@ -168,13 +168,13 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
| 32 | GND | P | Module ground |
| 33 | X1D09 | I/O | NC |
| 34 | X1D10 | I/O | NC |
| 35 | X1D11 | I/O | XU316 internal clock output, connect to X0D39 |
| 35 | X1D11 | I/O | XU316 internal clock output, connects to X0D39 |
| 36 | GND | P | Module ground |
| 37 | GND | P | Module ground |
| 38 | TDI | I/O | XTAG debug pin |
| 39 | TDO | I/O | XTAG debug pin |
| 40 | TMS | I/O | XTAG debug pin |
| 41 | TCK | I/O | XTAG debug pin |
| 38 | TDI | I/O | XTAG debug PIN |
| 39 | TDO | I/O | XTAG debug PIN |
| 40 | TMS | I/O | XTAG debug PIN |
| 41 | TCK | I/O | XTAG debug PIN |
| 42 | RST_N | I/O | System reset, active low |
| 43 | 1.8V | P | Module 1.8V power supply |
| 44 | GND | P | Module ground |
@@ -188,7 +188,7 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
| 52 | GND | P | Module ground |
!!! info "Pin Type Description"
I/O types in table: I=Input, O=Output, P=Power, I/O=Input/Output
I/O type definitions in the table: I=Input, O=Output, P=Power, I/O=Input/Output
## 4. Hardware Parameters
@@ -205,14 +205,14 @@ DNR65221-VC1 is a high-performance AI deep noise reduction product based on XMOS
<figcaption></figcaption>
</figure>
## 5 Product Packaging Information
## 5. Product Packaging Information
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:package"
## 6. Revision History
| Version | Date | Description | Author |
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-08-20 | Initial version release | |
| V1.0 | 2025-08-20 | Initial release | |
| | | | |
## 7. Inquiry and Feedback

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en/docs/dev_doc/datasheet/std_product/ai_dnr/dnr65231_vc1.md
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@@ -1,6 +1,6 @@
---
title: DNR65231-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interfaces
description: DNR65231-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interfaces Datasheet
title: DNR65231-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interface
description: DNR65231-VC1 Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interface Datasheet
author: Technical Documentation Department
date: 2025-05-14
print_page: true
@@ -11,7 +11,7 @@ print_page: true
<div class="card-wide" markdown>
# DNR65231-VC1
__Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interfaces__
__Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interface__
</div>
</div>
@@ -21,32 +21,32 @@ __Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integr
DNR65231 is a high-performance AI deep noise reduction product based on XMOS processor architecture, designed to provide exceptional audio processing capabilities for audio equipment manufacturers. The product integrates two independently optimized AI noise reduction models.
- The strong noise reduction model employs a deep neural network architecture, effectively handling various stationary and non-stationary noise in complex acoustic environments while maintaining high voice fidelity and achieving maximum noise suppression
- The singing noise reduction model uses a lightweight design to reduce processing latency to 11 milliseconds, effectively suppressing background noise while fully preserving vocal characteristics.
- The product supports I2S audio input with output to USB, and also supports USB audio output to I2S, widely applicable to multiple application areas including streaming equipment, conference systems, recording devices, and outdoor sports cameras.
- The strong noise reduction model employs a deep neural network architecture, capable of effectively processing various stationary and non-stationary noises in complex acoustic environments, achieving maximum noise suppression while ensuring high fidelity voice restoration
- The singing noise reduction model reduces processing latency to 11 milliseconds through lightweight design, effectively suppressing background noise while completely preserving vocal characteristics.
- The product supports I2S audio input with USB output capability, and also supports USB audio output to I2S, widely applicable to live streaming equipment, conference systems, recording devices, outdoor sports DV cameras, and many other application fields.
### 1.2 Product Features
**Audio Performance Features**
- AI Deep Noise Reduction
- Eliminates various stationary and non-stationary noise, adapting to complex acoustic environments
- Effectively eliminates burst noise such as key clicks, keyboard sounds, and footsteps
- Eliminates various stationary and non-stationary noises, adapting to complex acoustic environments
- Effectively eliminates sudden noises such as key presses, keyboard clicks, and footsteps
- Dual AI Noise Reduction Models
- Strong noise reduction model suitable for complex acoustic scenarios: outdoor recording, gaming, etc.
- Singing noise reduction model suitable for indoor streaming singing or interview scenarios
- Strong noise reduction model suitable for complex acoustic scenarios: outdoor recording, gaming, and other scenes
- Singing noise reduction model suitable for indoor live singing or interview scenarios
- Ultra-Low Latency Real-Time Processing
- Strong noise reduction model latency <50ms, meeting audio-video synchronization requirements
- Singing noise reduction model latency <11ms, meeting stringent streaming singing requirements
- High-Fidelity Voice Reproduction
- Strong noise reduction model fully preserves voice characteristics
- Singing noise reduction model not only fully preserves voice characteristics but also completely retains singing tail notes
- Strong noise reduction model latency < 50ms, meeting audio-video synchronization requirements
- Singing noise reduction model latency < 11ms, meeting strict live singing requirements
- High-Fidelity Voice Restoration
- Strong noise reduction model completely preserves voice characteristics
- Singing noise reduction model not only completely preserves voice characteristics but also retains the trailing tones in singing
**USB Interface Features**
- Supports UAC 2.0
- Supports OTG connection
- Plug and play, no driver installation required
- Plug-and-play, no driver installation required
- Supports HID configuration
**System Compatibility**
@@ -56,20 +56,20 @@ DNR65231 is a high-performance AI deep noise reduction product based on XMOS pro
### 1.3 Application Scenarios
- Streaming Equipment
- Effectively suppresses various environmental noise, adapting to diverse streaming scenarios
- Live Streaming Equipment
- Effectively suppresses various environmental noises, adapting to diverse live streaming scenarios
- Gaming Headsets
- Eliminates keyboard sounds, mouse clicks, and background noise, providing clear teammate communication experience
- Outdoor Sports Equipment
- Suppresses wind noise and environmental noise interference in sports scenarios, providing clear calling and recording experience for outdoor enthusiasts
- Suppresses wind noise and environmental noise interference in sports scenarios, providing clear call and recording experience for outdoor sports enthusiasts
- Outdoor Recording Equipment
- Achieves high-quality recording in complex outdoor acoustic environments, meeting professional needs for on-site interviews and content creation
- Conference System Equipment
- Processes background noise such as air conditioning sounds and footsteps in office environments
- Communication Devices
- Communication devices suitable for business calls with strict real-time requirements, providing imperceptible latency voice processing experience
- Processes background noises such as air conditioning sounds and footsteps in office environments
- Communication Equipment
- Communication equipment suitable for business calls with strict real-time requirements, providing imperceptible latency voice processing experience
### 1.4 Product Block Diagram
### 1.4 Product Functional Block Diagram
<figure markdown="span">
![DNR65231 Diagram](/assets/images/hifi_audio/dnr65231_diagram.png "DNR65231-VC1 Diagram"){width=600}
@@ -80,7 +80,7 @@ DNR65231 is a high-performance AI deep noise reduction product based on XMOS pro
| PRODUCT MODEL | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Hardware Model | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|:------------|
| DNR65231-VC1 | DNR65231-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interfaces |
| DNR65231-VC1 | DNR65231-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | Single-Channel Ultra-Low Latency AI Deep Noise Reduction Processor with Integrated USB and I2S Interface |
## 2. Modes and Specifications
@@ -88,7 +88,7 @@ DNR65231 is a high-performance AI deep noise reduction product based on XMOS pro
| Mode Number | Input/Output Mode | Description |
|:--------:|:------------------------|:------------------------|
| 1 | I²S In(Master) → AI DNR → USB(UAC2.0) <br> USB(UAC2.0) → I²S Out(Master) | Supports I²S input, AI DNR noise reduction, USB output, and USB input I²S output |
| 1 | I²S In(Master) → AI DNR → USB(UAC2.0) <br> USB(UAC2.0) → I²S Out(Master) | Supports I²S input with AI DNR noise reduction and USB output, as well as USB input with I²S output |
### 2.2 Detailed Parameters for Each Operating Mode
@@ -100,7 +100,7 @@ DNR65231 is a high-performance AI deep noise reduction product based on XMOS pro
|:---------|:-------------|:-------------|
| **Interface** | USB Audio Class 2.0 | I²S(Master) |
| **Audio Format** | PCM | PCM |
| **Sampling Rate** | 48KHz/24bit | 48kHz/24bit |
| **Sample Rate** | 48KHz/24bit | 48kHz/24bit |
| **Bit Depth** | Fixed 24bit | Fixed 24bit |
### 2.2 Noise Reduction Performance Comparison
@@ -109,12 +109,12 @@ DNR65231 is a high-performance AI deep noise reduction product based on XMOS pro
| Comparison Dimension | Strong Noise Reduction Model | Singing Noise Reduction Model | Traditional Noise Reduction Technology |
|----------------|---------------------------------------------|-----------------------------------------------|---------------------------------|
| **Technical Principle** | Deep neural network architecture, AI algorithm real-time spectral analysis, intelligent identification of voice and noise components | Based on strong noise reduction model, specially optimized for music scenarios, preserving vocal pitch and timbre characteristics | Frequency domain filtering method, based on statistical models and fixed algorithm parameters |
| **Processing Latency** | < 50ms meets audio-video synchronization | < 11ms ultra-low latency | Medium latency |
| **Noise Processing Capability** | Effectively processes stationary and non-stationary noise | Specially optimized for music content processing | Limited capability for non-stationary noise processing |
| **Voice Fidelity** | Fully preserves voice characteristics | Fully preserves singing tail note details | May experience audio quality loss |
| **Technical Principle** | Deep neural network architecture, AI algorithm for real-time spectrum feature analysis, intelligent voice and noise component identification | Optimized specifically for music scene processing based on the strong noise reduction model, preserving singing pitch and timbre characteristics | Frequency domain filtering methods based on statistical models and fixed algorithm parameters |
| **Processing Latency** | < 50ms, meets audio-video synchronization requirements | < 11ms, ultra-low latency | Medium latency |
| **Noise Processing Capability** | Effectively processes stationary and non-stationary noises | Specially optimized for music content processing | Limited capability in handling non-stationary noises |
| **Voice Fidelity** | Completely preserves voice characteristics | Completely preserves the trailing tone details in singing | May experience audio quality loss |
| **Environmental Adaptability** | Processes various complex acoustic environments | Specially optimized for music scenarios | Suitable for relatively stable acoustic environments |
| **Typical Applications** | Outdoor streaming equipment, gaming headsets, conference systems, professional recording equipment | Indoor streaming equipment, karaoke equipment, music recording, online interview systems | Traditional telephone systems, basic conference equipment, basic audio processing |
| **Typical Applications** | Outdoor live streaming equipment, gaming headsets, conference systems, professional recording equipment | Indoor live streaming equipment, karaoke equipment, music recording, online interview systems | Traditional telephone systems, basic conference equipment, basic audio processing |
</div>
@@ -141,20 +141,20 @@ DNR65231 is a high-performance AI deep noise reduction product based on XMOS pro
| 6 | X1D18 | I/O | NC |
| 7 | X1D19 | I/O | NC |
| 8 | X1D22 | I/O | NC |
| 9 | X0D29 | I/O | Active low<br>Low noise level LED indicator<br>Slow flash: singing noise reduction model. <br>Solid on: strong noise reduction model |
| 9 | X0D29 | I/O | Active low<br>Low noise level LED indicator<br>Slow blink: Singing noise reduction model<br>Solid: Strong noise reduction model |
| 10 | X0D35 | I | I²S_IN_BCLK(MASTER) |
| 11 | X0D36 | I | I²S_IN_LRCK(MASTER) |
| 12 | X0D37 | I/O | I²S_IN_DATA0(MASTER) |
| 13 | X0D38 | O | I²S_OUT_DATA0(MASTER) |
| 14 | X0D40 | I/O | Active low<br>Short press cycles through noise reduction levels: off, low, medium, high.<br>Long press: switches noise reduction model. |
| 14 | X0D40 | I/O | Active low<br>Short press: Cycle through noise reduction levels: Off, Low, Medium, High<br>Long press: Switch noise reduction model |
| 15 | X0D39 | I | I²S_OUT_MCLK(MASTER) |
| 16 | X0D42 | I/O | Microphone MUTE_SW, active low |
| 17 | X0D41 | I/O | NC |
| 18 | X0D43 | I/O | NC |
| 19 | X1D34 | I/O | NC |
| 20 | GND | P | Module ground |
| 21 | X0D30 | I/O | Active low<br>Medium noise level LED indicator<br>Slow flash: singing noise reduction model. <br>Solid on: strong noise reduction model |
| 22 | X0D31 | I/O | Active low<br>High noise level LED indicator<br>Slow flash: singing noise reduction model. <br>Solid on: strong noise reduction model |
| 21 | X0D30 | I/O | Active low<br>Medium noise level LED indicator<br>Slow blink: Singing noise reduction model<br>Solid: Strong noise reduction model |
| 22 | X0D31 | I/O | Active low<br>High noise level LED indicator<br>Slow blink: Singing noise reduction model<br>Solid: Strong noise reduction model |
| 23 | X0D32 | I/O | NC |
| 24 | X0D33 | I/O | NC |
| 25 | GND | P | Module ground |
@@ -209,9 +209,9 @@ DNR65231 is a high-performance AI deep noise reduction product based on XMOS pro
## 6. Revision History
| Version | Date | Description | Reviser |
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-08-10 | Initial version release | |
| V1.0 | 2025-08-10 | Initial release | |
| V1.1 | 2025-09-25 | Modified pin definitions | |
| V1.2 | 2025-09-26 | Added USB status detection | |

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@@ -1,7 +1,7 @@
---
title: GM67211_VC1
description: 48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with EQ/FPS Enhancement and I²S Input Interface Technical Documentation
author: Technical Documentation Team
description: 48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with Integrated EQ/FPS Enhancement and I²S Input Interface Technical Documentation
author: Technical Documentation Department
date: 2025-06-23
print_page: true
---
@@ -11,7 +11,7 @@ print_page: true
<div class="card-wide" markdown>
# GM67211_VC1
__48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with EQ/FPS Enhancement and I²S Input Interface__
__48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with Integrated EQ/FPS Enhancement and I²S Input Interface__
</div>
</div>
@@ -20,24 +20,24 @@ __48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with EQ/FPS Enhancement a
### 1.1 Product Description
GM67211 is a high-performance audio processor developed specifically for the PS5/SWITCH gaming market. It supports PCM 48KHz/16bit format and provides an immersive audio experience for gamers. This product is developed based on the XMOS high-performance chip and optimized specifically for gaming audio processing.
GM67211 is a high-performance audio processor specifically developed for the PS5/SWITCH gaming market, supporting PCM 48KHz/16bit format to provide immersive audio experiences for gamers. This product is based on the XMOS high-performance chip and optimized specifically for gaming audio processing.
- GM67211 supports I²S digital audio input interface, which after processing through the built-in SA Virtual 7.1 algorithm, outputs high-quality 2-channel analog audio signals to meet gaming audio playback requirements.
- GM67211 incorporates the SA Virtual 7.1 algorithm, which synthesizes 7.1 channels into 2-channel analog output through human-ear-optimized algorithms, allowing users to experience full surround sound effects and sound localization through headphones.
- This product adopts standard I²S interface design with excellent compatibility and can work with various HDMI Repeaters.
- GM67211 supports I²S digital audio input interface, processes the signal through a built-in SA Virtual 7.1 algorithm, and outputs high-quality 2-channel analog audio signals to meet gaming audio playback requirements.
- GM67211 integrates the SA Virtual 7.1 algorithm, which synthesizes 7.1 channels into 2-channel analog output through an algorithm optimized for human hearing, allowing users to experience full surround sound effects and audio positioning through headphones.
- The product adopts a standard I²S interface design with excellent compatibility, enabling it to work with various HDMI Repeaters.
### 1.2 Product Features
**Gaming Audio Enhancement Features**
- **FPS Gaming Enhancement Mode**
- **FPS Game Enhancement Mode**
- Optimized specifically for first-person shooter games
- Provides more precise spatial directionality
- Enhanced key sound effects such as footsteps and gunshots
- Enhances critical sound effects such as footsteps and gunshots
- Improves competitive gaming performance
- **SA Virtual 7.1 Algorithm**
- Converts 7.1 channels to 2-channel output through specialized algorithms
- Optimized for human hearing, providing 360-degree surround sound and sound localization effects
- Optimized for human hearing to provide 360-degree full surround sound and audio positioning effects
**Audio Performance Features**
@@ -47,29 +47,29 @@ GM67211 is a high-performance audio processor developed specifically for the PS5
**Interface Support Features**
- **Multiple Digital Interface Support**
- Supports I²S Slave mode audio input
- Supports I²S slave mode audio input
### 1.3 Application Scenarios
- PS5 HDMI Virtual 7.1 Gaming Sound Card
<figure markdown="span">
![GM67211_VC1 Application Scenario](/assets/images/hifi_audio/gm67211_application_ps5_hdmi.png "GM67211 Application Scenario")
<figcaption>GM67211 Application Scenario</figcaption>
![GM67211_VC1 Application Scenario Diagram](/assets/images/hifi_audio/gm67211_application_ps5_hdmi.png "GM67211 Application Scenario Diagram")
<figcaption>GM67211 Application Scenario Diagram</figcaption>
</figure>
- Switch HDMI Virtual 7.1 Gaming Sound Card
<figure markdown="span">
![GM67211_VC1 Application Scenario](/assets/images/hifi_audio/gm67211_application_switch_hdmi.png "GM67211 Application Scenario")
<figcaption>GM67211 Application Scenario</figcaption>
![GM67211_VC1 Application Scenario Diagram](/assets/images/hifi_audio/gm67211_application_switch_hdmi.png "GM67211 Application Scenario Diagram")
<figcaption>GM67211 Application Scenario Diagram</figcaption>
</figure>
- Switch Type-C Dock Integrated Virtual 7.1 Gaming Sound Card
- Switch Type-C Dock with Integrated Virtual 7.1 Gaming Sound Card
<figure markdown="span">
![GM67211_VC1 Application Scenario](/assets/images/hifi_audio/gm67211_application_switch_dock.png "GM67211 Application Scenario")
<figcaption>GM67211 Application Scenario</figcaption>
![GM67211_VC1 Application Scenario Diagram](/assets/images/hifi_audio/gm67211_application_switch_dock.png "GM67211 Application Scenario Diagram")
<figcaption>GM67211 Application Scenario Diagram</figcaption>
</figure>
### 1.4 Product Functional Block Diagram
@@ -83,26 +83,26 @@ GM67211 is a high-performance audio processor developed specifically for the PS5
| PRODUCT | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|
| GM67211_VC1 | GM67211-VC1 | SMT LGA-52 | 13x13mm | 48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with EQ/FPS Enhancement and I²S Input Interface |
| GM67211_VC1 | GM67211-VC1 | SMT LGA-52 | 13x13mm | 48KHz Low-Latency Virtual 7.1 Gaming Audio Processor with Integrated EQ/FPS Enhancement and I²S Input Interface |
## 2. Modes and Performance Specifications
### 2.1 Supported Function Modes
!!! info "When the mode switch button is pressed once, the system cycles through three sound effect modes, switching to the next mode with each button press."
!!! info "When the mode switch button is pressed once, the system cycles through three audio effect modes, switching to the next mode with each press."
<div class="sticky-column" markdown>
| Mode Number | Sound Effect Mode Name | Function Description |
| Mode Number | Audio Effect Mode | Function Description |
|:--------:|:------------|:---------|
| 1 | No Sound Effect Mode | Audio signal does not undergo any sound effect processing, maintains original audio output |
| 2 | FPS/EQ Mode | Enables FPS gaming enhancement algorithm, enhances key sound effects such as footsteps and gunshots, improves spatial directionality |
| 3 | Virtual 7.1 Mode | Enables SA Virtual 7.1 algorithm, converts 7.1 channel audio to 2-channel output, provides 360-degree surround sound and sound localization effects |
| 1 | No Audio Effect Mode | Audio signal passes through without any audio effect processing, maintaining original audio output |
| 2 | FPS/EQ Mode | Enables FPS gaming enhancement algorithm, enhances critical sound effects such as footsteps and gunshots, improves spatial directionality |
| 3 | Virtual 7.1 Mode | Enables SA Virtual 7.1 algorithm, converts 7.1 channel audio to 2-channel output, provides 360-degree full surround sound and audio positioning effects |
</div>
### 2.2 Supported Audio Formats and Sampling Rates:
### 2.2 Supported Audio Formats and Sample Rates:
| Audio Format | Supported Sampling Rates | Bit Depth |
| Audio Format | Supported Sample Rates | Bit Depth |
|:---------|:-------------|:-------|
| **PCM** | 48kHz | 16bit |
@@ -134,7 +134,7 @@ GM67211 is a high-performance audio processor developed specifically for the PS5
| 12 | X0D37 | I/O | I2C_SCL Connect to TLV320AIC3204 I2C_SCL |
| 13 | X0D38 | I/O | I2C_SDA Connect to TLV320AIC3204 I2C_SDA |
| 14 | X0D40 | O | NC |
| 15 | X0D39 | I/O | DFU pin, Active High |
| 15 | X0D39 | I/O | DFU pin，Active High |
| 16 | X0D42 | I/O | NC |
| 17 | X0D41 | I/O | CTRL_MUTE, Active High |
| 18 | X0D43 | I/O | NC |
@@ -152,7 +152,7 @@ GM67211 is a high-performance audio processor developed specifically for the PS5
| 30 | X1D00 | I | NC |
| 31 | X1D01 | O | I2S_LRCK, Connect to TLV320AIC3204 I2S LRCK and HDMI I2S LRCK |
| 32 | GND | P | GND |
| 33 | X1D09 | I/O | I2S_DOUT, Connect to TLV320AIC3204 |
| 33 | X1D09 | I/O | I2S_DOUT，Connect to TLV320AIC3204 |
| 34 | X1D10 | O | I2S_BCLK, Connect to TLV320AIC3204 I2S BCLK and HDMI I2S BCLK|
| 35 | X1D11 | O | MCLK_IN Connect to LV320AIC3204 MCLK and HDMI MCLK |
| 36 | GND | P | GND |
@@ -174,10 +174,10 @@ GM67211 is a high-performance audio processor developed specifically for the PS5
| 52 | GND | P | GND |
!!! info "Pin Type Description"
!!! info "Pin Type Definitions"
I/O type definitions in the table: I=Input, O=Output, P=Power, I/O=Input/Output
## 4. Hardware Parameters
## 4. Hardware Specifications
### 4.1 Normal Operating Conditions
@@ -197,15 +197,15 @@ GM67211 is a high-performance audio processor developed specifically for the PS5
## 6. Revision History
| Version | Date | Description | Modifier |
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-08-23 | Initial version release | |
| V1.1 | 2025-09-10 | Modified pin definition | |
| V1.0 | 2025-08-23 | Initial release | |
| V1.1 | 2025-09-10 | Modified pin definitions | |
| | | | |
## 8. Inquiry and Feedback
## 8. Consultation and Feedback
<details>
<summary>Click to expand inquiry and feedback form</summary>
<summary>Click to expand consultation and feedback form</summary>
--8<-- "common/customer_form.md"

98
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@@ -1,7 +1,7 @@
---
title: GM68311_VC1
description: 48KHz Low-Latency Virtual 7.1 and AI Noise Reduction USB Gaming Audio Processor with FPS Enhancement and Bi-directional I²S Interface Technical Documentation
author: Technical Documentation Team
description: 48KHz Low-Latency Virtual 7.1 and AI Noise Reduction USB Gaming Audio Processor with Integrated FPS Enhancement and Bidirectional I²S Interface Technical Documentation
author: Technical Documentation Department
date: 2025-06-23
print_page: true
---
@@ -11,7 +11,7 @@ print_page: true
<div class="card-wide" markdown>
# GM68311_VC1
__48KHz Low-Latency Virtual 7.1 and AI Noise Reduction USB Gaming Audio Processor with FPS Enhancement and Bi-directional I²S Interface__
__48KHz Low-Latency Virtual 7.1 and AI Noise Reduction USB Gaming Audio Processor with Integrated FPS Enhancement and Bidirectional I²S Interface__
</div>
</div>
@@ -22,11 +22,11 @@ __48KHz Low-Latency Virtual 7.1 and AI Noise Reduction USB Gaming Audio Processo
GM68311 is a gaming sound card optimized for gaming audio processing, developed based on the A316-Mini-V1 module. It supports PCM 48KHz/16bit format and provides an immersive audio experience for gamers.
GM68311_VC1 supports USB Audio Class 1.0/2.0 interface, providing USB input to I²S output transmission functionality, while also supporting I²S input to USB output bi-directional transmission to meet gaming audio playback and communication requirements.
GM68311_VC1 supports USB Audio Class 1.0/2.0 interface, providing USB input to I²S output transmission, while also supporting bidirectional transmission from I²S input to USB output to meet gaming audio playback and voice communication requirements.
GM68311_VC1 features advanced AI DNR deep learning noise reduction technology with 50ms low latency, perfectly eliminating keyboard, mouse, and various other non-stationary noises while preserving only human voice, making it particularly suitable for gaming scenarios.
GM68311_VC1 incorporates SA Virtual 7.1 algorithm that synthesizes 7.1 channels into 2-channel output through human-ear-optimized algorithms, allowing users to experience full surround sound effects and sound localization through headphones.
GM68311_VC1 incorporates SA virtual 7.1 algorithm that converts 7.1 channel audio through human ear-optimized algorithms into 2-channel output, allowing users to experience full surround sound effects and accurate sound positioning through headphones.
### 1.2 Product Features
@@ -34,30 +34,30 @@ GM68311_VC1 incorporates SA Virtual 7.1 algorithm that synthesizes 7.1 channels
- **FPS Gaming Enhancement Mode**
- Optimized specifically for first-person shooter games
- Provides more precise spatial directionality
- Enhanced key sound effects such as footsteps and gunshots
- Provides more precise spatial directional awareness
- Enhances critical sound effects such as footsteps and gunshots
- Improves competitive gaming performance
- **SA Virtual 7.1 Algorithm**
- Converts 7.1 channels to 2-channel output through specialized algorithms
- Optimized for human hearing, providing 360-degree surround sound and sound localization effects
- Converts 7.1 channel audio to 2-channel output through specialized algorithms
- Optimized for human ear, providing 360-degree full surround sound and accurate sound positioning
- **AI DNR Deep Learning Noise Reduction Technology**
- Noise elimination model based on deep learning
- Effectively filters conventional background noise
- Intelligently identifies and eliminates sudden noises such as keyboard typing and mouse clicks
- Particularly suitable for gaming communication scenarios
- Deep learning-based noise cancellation model
- Effectively filters out conventional background noise
- Intelligently identifies and eliminates sudden noises such as keyboard typing and mouse clicking
- Particularly suitable for gaming voice communication scenarios
**Audio Performance Features**
- Supports 48kHz/16bit PCM format, optimized for gaming scenarios
- Supports bi-directional audio transmission (playback and recording)
- Supports bidirectional audio transmission (playback and recording)
- Low-latency audio processing ensures smooth gaming experience
**Interface Support Features**
- **Multiple Digital Interface Support**
- Supports USB audio input
- Supports I²S Master mode audio output
- Supports I²S Master mode audio input to USB output (bi-directional transmission)
- Supports I²S master mode audio output
- Supports I²S master mode audio input to USB output (bidirectional transmission)
- Supports button and LED control
- **USB Interface Features**
@@ -67,7 +67,7 @@ GM68311_VC1 incorporates SA Virtual 7.1 algorithm that synthesizes 7.1 channels
**System Compatibility**
- UAC 1.0 protocol
- Supports multiple operating systems including Windows, Linux, Android, macOS, iOS, and gaming consoles such as PS5, SWITCH
- Supports multiple operating systems including Windows, Linux, Android, macOS, and iOS, as well as gaming consoles such as PS5 and SWITCH
**Codec Support**
@@ -80,65 +80,65 @@ GM68311_VC1 incorporates SA Virtual 7.1 algorithm that synthesizes 7.1 channels
- Gaming Sound Card
- Esports Audio Equipment
### 1.4 Product Functional Block Diagram
### 1.4 Product Function Block Diagram
<figure markdown="span">
![GM68311 Block Diagram](/assets/images/hifi_audio/gm68311_diagram.png "GM68311 Block Diagram"){width="600"}
<figcaption>Figure 1: GM68311_VC1 Functional Block Diagram</figcaption>
<figcaption>Figure 1: GM68311_VC1 Function Block Diagram</figcaption>
</figure>
### 1.5 Ordering Information
| PRODUCT | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|
| GM68311_VC1 | GM68311-VC1 | SMT LGA-52 | 13x13mm | 8KHz Low-Latency Virtual 7.1 and AI Noise Reduction USB Gaming Audio Processor with FPS Enhancement and Bi-directional I²S Interface |
| GM68311_VC1 | GM68311-VC1 | SMT LGA-52 | 13x13mm | 48KHz Low-Latency Virtual 7.1 and AI Noise Reduction USB Gaming Audio Processor with Integrated FPS Enhancement and Bidirectional I²S Interface |
## 2. Modes and Performance Specifications
### 2.1 Supported Function Modes
GM68311_VC1 supports multiple audio processing function modes. Users can flexibly configure sound effect processing and noise reduction functions through mode switching buttons. The system supports independent control of sound effect modes and noise reduction modes, with both functions capable of being enabled simultaneously to provide the optimal gaming audio experience.
GM68311_VC1 supports multiple audio processing function modes. Users can flexibly configure sound effect processing and noise reduction functions through the mode switching button. The system supports independent control of sound effect mode and noise reduction mode, and both functions can be enabled simultaneously to provide the best gaming audio experience.
- **Sound Effect Mode Control (Mode Switch Button Single Press Operation)**
- **Sound Effect Mode Control (Single Press Mode Switch Button)**
!!! info "When the mode switch button is pressed once, the system cycles through three sound effect modes, switching to the next mode with each button press."
!!! info "When the mode switch button is pressed once, the system cycles through three sound effect modes, switching to the next mode with each press."
<div class="sticky-column" markdown>
| Mode Number | Sound Effect Mode Name | Function Description |
| Mode Number | Sound Effect Mode | Function Description |
|:--------:|:------------|:---------|
| 1 | No Sound Effect Mode | Audio signal does not undergo any sound effect processing, maintains original audio output |
| 2 | FPS Mode | Enables FPS gaming enhancement algorithm, enhances key sound effects such as footsteps and gunshots, improves spatial directionality |
| 3 | Virtual 7.1 Mode | Enables SA Virtual 7.1 algorithm, converts 7.1 channel audio to 2-channel output, provides 360-degree surround sound and sound localization effects |
| 1 | No Sound Effect Mode | Audio signal bypasses any sound effect processing, maintaining original audio output |
| 2 | FPS Mode | Enables FPS gaming enhancement algorithm, enhances critical sound effects such as footsteps and gunshots, improves spatial directional awareness |
| 3 | Virtual 7.1 Mode | Enables SA virtual 7.1 algorithm, converts 7.1 channel audio to 2-channel output, provides 360-degree full surround sound and accurate sound positioning |
</div>
- **Noise Reduction Mode Control (Mode Switch Button Long Press Operation)**
!!! info "When the mode switch button is long pressed, the system cycles between two noise reduction modes."
- **Noise Reduction Mode Control (Long Press Mode Switch Button)**
!!! info "When the mode switch button is long-pressed, the system cycles between two noise reduction modes."
<div class="sticky-column" markdown>
| Mode Number | Noise Reduction Mode Name | Function Description |
| Mode Number | Noise Reduction Mode | Function Description |
|:--------:|:------------|:---------|
| 1 | No Noise Reduction | Disables AI noise reduction function, maintains microphone original input signal |
| 2 | AI DNR Noise Reduction | Enables AI deep learning noise reduction technology, intelligently eliminates sudden noises such as keyboard and mouse, preserves clear human voice |
| 1 | No Noise Reduction | AI noise reduction function disabled, maintains original microphone input signal |
| 2 | AI DNR Noise Reduction | Enables AI deep learning noise reduction technology, intelligently eliminates sudden noises such as keyboard and mouse clicks, preserves clear voice |
</div>
- **Mode Combination Description**
!!! info "Sound effect modes and noise reduction modes can be enabled simultaneously, providing users with a complete gaming audio solution. For example, users can enable both Virtual 7.1 mode and AI DNR noise reduction function simultaneously, enjoying immersive surround sound effects while ensuring microphone communication clarity."
!!! info "Sound effect mode and noise reduction mode can be enabled simultaneously to provide a complete gaming audio solution. For example, users can enable both Virtual 7.1 mode and AI DNR noise reduction function simultaneously, enjoying immersive surround sound effects while ensuring clear microphone communication."
### 2.2 Supported Audio Formats and Sampling Rates:
### 2.2 Supported Audio Formats and Sample Rates
| Audio Format | Supported Sampling Rates | Bit Depth |
| Audio Format | Supported Sample Rate | Bit Depth |
|:---------|:-------------|:-------|
| **PCM** | 48kHz | 16bit |
### 2.3 AI DNR Noise Reduction Parameters:
### 2.3 AI DNR Noise Reduction Parameters
- Latency: 50ms
- Maximum Noise Reduction Intensity: 35dB
- Maximum Noise Reduction: 35dB
### 2.4 Supported Codec
@@ -169,14 +169,14 @@ GM68311_VC1 supports multiple audio processing function modes. Users can flexibl
| 9 | X0D29 | I | MIC_VOL-, microphone volume decrease, active low |
| 10 | X0D35 | I/O | NC |
| 11 | X0D36 | I/O | NC |
| 12 | X0D37 | I/O | I2C_SCL, connect to CODEC I2S_SCL |
| 13 | X0D38 | I/O | I2C_SDA, connect to CODEC I2S_SDA |
| 12 | X0D37 | I/O | I2C_SCL, connects to CODEC I2S_SCL |
| 13 | X0D38 | I/O | I2C_SDA, connects to CODEC I2S_SDA |
| 14 | X0D40 | O | CODEC_RST, active low |
| 15 | X0D39 | I/O | NC |
| 16 | X0D42 | I/O | NC |
| 17 | X0D41 | I/O | NC |
| 18 | X0D43 | I/O | Independent headphone amplifier MUTE output, active low |
| 19 | X1D34 | O | I2S_DOUT, connect to CODEC I2S_DOUT |
| 19 | X1D34 | O | I2S_DOUT, connects to CODEC I2S_DOUT |
| 20 | GND | P | Module ground |
| 21 | X0D30 | I | MUTE, MIC mute button input, active low |
| 22 | X0D31 | I | MIC_VOL+, microphone volume increase, active low |
@@ -187,12 +187,12 @@ GM68311_VC1 supports multiple audio processing function modes. Users can flexibl
| 27 | GND | P | Module ground |
| 28 | X0D00 | I/O | NC |
| 29 | X0D11 | I | MCLK_IN, input |
| 30 | X1D00 | I | I2S_DIN, connect to CODEC I2S_DIN |
| 31 | X1D01 | O | I2S_LRCK, connect to CODEC LRCK |
| 30 | X1D00 | I | I2S_DIN, connects to CODEC I2S_DIN |
| 31 | X1D01 | O | I2S_LRCK, connects to CODEC LRCK |
| 32 | GND | P | Module ground |
| 33 | X1D09 | I/O | NC |
| 34 | X1D10 | O | I2S_BCLK, I2S Master mode output, connect to CODEC BLCK |
| 35 | X1D11 | O | MCLK_OUT, clock master output, connect to MCLK_IN and CODEC MCLK |
| 34 | X1D10 | O | I2S_BCLK, I2S master mode output, connects to CODEC BLCK |
| 35 | X1D11 | O | MCLK_OUT, master clock output, connects to MCLK_IN and CODEC MCLK |
| 36 | GND | P | Module ground |
| 37 | GND | P | Module ground |
| 38 | TDI | I/O | XTAG debug PIN |
@@ -213,10 +213,10 @@ GM68311_VC1 supports multiple audio processing function modes. Users can flexibl
!!! info "Pin Type Description"
!!! info "Pin Type Definitions"
I/O type definitions in the table: I=Input, O=Output, P=Power, I/O=Input/Output
## 4. Hardware Parameters
## 4. Hardware Specifications
### 4.1 Normal Operating Conditions
@@ -231,14 +231,14 @@ GM68311_VC1 supports multiple audio processing function modes. Users can flexibl
<figcaption></figcaption>
</figure>
## 5 Product Packaging Information
## 5. Product Packaging Information
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:package"
## 6. Revision History
| Version | Date | Description | Modifier |
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-06-23 | Initial version release | |
| V1.0 | 2025-06-23 | Initial release | |
| | | | |
| | | | |

14
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@@ -1,5 +1,5 @@
---
title: XMAU7118-VC1 16-Channel PDM to I²S/TDM Audio Converter with Dual PDM Clock Outputs and UART/I²C Configuration Interface
title: XMAU7118-VC1 16-Channel PDM to I²S/TDM Audio Converter with Dual PDM Clock Output and UART/I²C Configuration Interface
description: XMAU7118-VC1 16-Channel PDM to I²S/TDM Audio Converter Datasheet
author: Technical Documentation Department
date: 2025-01-15
@@ -11,20 +11,20 @@ print_page: true
<div class="card-wide" markdown>
# XMAU7118-VC1
__16-Channel PDM to I²S/TDM Audio Converter with Dual PDM Clock Outputs and UART/I²C Configuration Interface__
__16-Channel PDM to I²S/TDM Audio Converter with Dual PDM Clock Output and UART/I²C Configuration Interface__
</div>
</div>
## 1. Introduction
## 1. Overview
### 1.1 Product Description
XMAU7118 is a professional-grade 16-channel PDM to I²S/TDM audio converter developed based on XMOS high-performance chips, designed specifically for digital microphone array applications. This product supports 16-channel PDM digital microphone inputs, providing 32-bit audio resolution and exceptional audio performance.
XMAU7118 is a professional-grade 16-channel PDM to I²S/TDM audio converter developed based on XMOS high-performance chips, specifically designed for digital microphone array applications. This product supports 16 PDM digital microphone inputs, provides 32-bit audio resolution and exceptional audio performance.
- The product integrates powerful digital signal processing capabilities, supporting simultaneous input from 16 PDM microphones, with output sampling rates ranging from 4kHz to 192kHz, meeting the requirements of various audio acquisition application scenarios.
- It supports standard I²S and TDM audio output formats, providing 8 independent SDATA output channels, and can operate in Master or Slave mode, offering extremely high flexibility for system integration.
- The product features excellent audio performance specifications, with THD+N less than -110dB and dynamic range up to 140dB. Complete parameter configuration is achieved through UART/I²C interface, providing audio equipment manufacturers with a professional-grade multi-channel audio acquisition solution.
- The product integrates powerful digital signal processing capabilities, supports simultaneous input from 16 PDM microphones, with output sample rates ranging from 4kHz to 192kHz, meeting the requirements of various audio acquisition application scenarios.
- Supports standard I²S and TDM audio output formats, provides 8 independent SDATA output channels, can operate in Master or Slave mode, offering high flexibility for system integration.
- The product features excellent audio performance metrics with THD+N less than -110dB, dynamic range up to 140dB, and complete parameter configuration via UART/I²C interface, providing audio equipment manufacturers with professional-grade multi-channel audio acquisition solutions.
### 1.2 Product Features

16
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@@ -18,14 +18,14 @@ tags:
### 1.1 Product Description
PH73211L_VC1/PH73211LQ_VC1 is a USB low-power HiFi audio decoder supporting up to PCM 384KHz/DSD256, specifically designed for portable HiFi decoder audio applications.
The PH73211L_VC1/PH73211LQ_VC1 is a USB low-power HiFi audio decoder supporting up to PCM 384KHz/DSD256, specifically designed for portable HiFi decoder audio applications.
PH73211L_VC1/PH73211LQ_VC1 supports multiple standard audio formats, including USB Audio Class 1.0/2.0 and I²S interfaces. The flexible audio interface allows PH73211L_VC1/PH73211LQ_VC1 to connect to various audio data converters, digital audio receivers and transmitters, and digital signal processors.
The PH73211L_VC1/PH73211LQ_VC1 supports multiple standard audio formats, including USB Audio Class 1.0/2.0 and I²S interface. The flexible audio interface allows the PH73211L_VC1/PH73211LQ_VC1 to connect to various audio data converters, digital audio receivers and transmitters, and digital signal processors.
PH73211L_VC1/PH73211LQ_VC1 provides USB input/I²S output mode, meeting the requirements of high-quality audio application scenarios.
The PH73211L_VC1/PH73211LQ_VC1 provides USB input/I²S output mode to meet the requirements of high-quality audio application scenarios.
!!! warning "Important Notice"
**PH73211LQ_VC1 model supports MQA audio decoding, while PH73211L_VC1 model does not support this feature.**
**The PH73211LQ_VC1 model supports MQA audio decoding, while the PH73211L_VC1 model does not support this feature.**
### 1.2 Product Features
@@ -34,9 +34,9 @@ PH73211L_VC1/PH73211LQ_VC1 provides USB input/I²S output mode, meeting the requ
- Supports input and output sampling rates up to 384kHz
- Supports DSD64/128/256 formats
- **PH73211LQ_VC1 supports MQA decoding**
- Built-in SSRC and ASRC modules supporting conversion between different interfaces and sampling rates
- SSRC specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 140dB
- ASRC specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 135dB
- Built-in SSRC and ASRC modules, supporting conversion between different interfaces and sampling rates
- SSRC Specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 140dB
- ASRC Specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 135dB
- Supports 16-32bit audio data formats
**Interface Support Features**
@@ -52,7 +52,7 @@ PH73211L_VC1/PH73211LQ_VC1 provides USB input/I²S output mode, meeting the requ
- Supports UAC 1.0
- Supports UAC 2.0
- Supports firmware upgrade via USB
- Supports HID for MCU firmware upgrade
- Supports HID, allowing MCU firmware upgrade via HID
**System Compatibility**

6
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@@ -1,6 +1,6 @@
---
title: PH73311L_VC1/PH73311LQ_VC1 384KHz/DSD256 USB Low-Power HiFi Audio Decoder
description: PH73311L_VC1/PH73311LQ_VC1 Low-Power Audio Decoder Technical Documentation
description: PH73311L_VC1/PH73311LQ_VC1 low-power audio decoder technical documentation
author: Technical Documentation Department
date: 2025-05-07
print_page: true
@@ -20,14 +20,14 @@ tags:
PH73311L_VC1/PH73311LQ_VC1 is a USB low-power HiFi audio decoder supporting up to PCM 384KHz/DSD256, specifically designed for portable HiFi decoder audio applications.
PH73311L_VC1/PH73311LQ_VC1 supports multiple standard audio formats, including USB Audio Class 1.0/2.0, S/PDIF, and I²S interfaces. The flexible audio interface allows PH73311L_VC1/PH73311LQ_VC1 to connect to various audio data converters, digital audio receivers and transmitters, and digital signal processors.
PH73311L_VC1/PH73311LQ_VC1 supports multiple standard audio formats, including USB Audio Class 1.0/2.0, S/PDIF, and I²S interfaces. The flexible audio interfaces allow PH73311L_VC1/PH73311LQ_VC1 to connect to various audio data converters, digital audio receivers and transmitters, and digital signal processors.
Compatible with AES3, S/PDIF, IEC 60958, and EIAJ CP-1201 digital audio interfaces.
PH73311L_VC1/PH73311LQ_VC1 provides multiple input/output modes, including USB input/I²S output and USB input/S/PDIF output, meeting the requirements of different application scenarios.
!!! warning "Important Notice"
**PH73311LQ_VC1 model supports MQA audio decoding, while PH73311L_VC1 model does not support this feature.**
**The PH73311LQ_VC1 model supports MQA audio decoding, while the PH73311L_VC1 model does not support this feature.**
### 1.2 Product Features

380
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@@ -1,6 +1,6 @@
---
title: PH83211L_VC1/PH83211LQ_VC1 768KHz/DSD512 USB Low-Power HiFi Audio Decoder
description: PH83211L_VC1/PH83211LQ_VC1 Low-Power Audio Decoder Technical Documentation
title: PH832XXL-VC1 768KHz/DSD512 USB Low-Power HiFi Audio Decoder
description: PH832XXL-VC1 Low-Power Audio Decoder Technical Documentation
author: Technical Documentation Department
date: 2025-05-07
print_page: true
@@ -8,73 +8,99 @@ tags:
- Audio Decoder
- XMOS
- USB HiFi
- MQA
- ES9039Q2M
---
# PH83211L_VC1/PH83211LQ_VC1 768KHz/DSD512 USB Low-Power HiFi Audio Decoder
--8<-- "common/phaten_xmos_support_img.md"
<div class="grid" markdown>
<div class="card-wide" markdown>
# PH832XXL-VC1 Product Specifications
__768KHz/DSD512 HiFi Portable Decoder with Low-Power XU316 and ES903XQ2M / CS43198/CS43131__
</div>
</div>
## 1. Introduction
### 1.1 Product Description
PH83211L_VC1/PH83211LQ_VC1 is a USB low-power HiFi audio decoder supporting up to PCM 768KHz/DSD512, specifically designed for portable HiFi decoder audio applications.
The PH832XXL-VC1 is a USB low-power HiFi audio decoder supporting up to PCM 768KHz/DSD512, designed specifically for portable HiFi decoder audio applications. The module's firmware has been adapted and optimized for several high-performance audio DACs commonly used in portable decoders.
PH83211L_VC1/PH83211LQ_VC1 supports multiple standard audio formats, including USB Audio Class 1.0/2.0 and I²S interfaces. The flexible audio interface allows PH83211L_VC1/PH83211LQ_VC1 to connect to various audio data converters, digital audio receivers and transmitters, and digital signal processors.
The PH83211L-VC1 supports multiple standard audio formats, including USB Audio Class 1.0/2.0 and I²S interface. The flexible audio interface allows the PH83211L-VC1 to connect to various audio data converters, digital audio receivers and transmitters, and digital signal processors.
PH83211L_VC1/PH83211LQ_VC1 provides USB input/I²S output mode, meeting the requirements of high-quality audio application scenarios.
!!! info "XU316 Low-Power Test Comparison Results"
<div class="sticky-column" markdown>
!!! warning "Important Notice"
**PH83211LQ_VC1 model supports MQA audio decoding, while PH83211L_VC1 model does not support this feature.**
| Chip Type | DSD 512 | PCM 768KHz | PCM 384KHz | PCM 192KHz |
|---------|---------|------------|------------|------------|
| **Low-Power Chip** | 113 mW | 146 mW | 128 mW | 123 mW |
| **Standard Power Chip** | 227 mW | 232 mW | 227 mW | 222 mW |
| **Power Saved** | **114 mW** | **86 mW** | **99 mW** | **99 mW** |
| **Power Saved %** |**50.22%** | **37.07%** | **43.61%** | **44.59%** |
</div>
### 1.2 Product Features
**Audio Performance Features**
**USB Interface Features**
- Supports input and output sampling rates up to 768kHz
- Supports DSD64/128/256/512 formats
- **PH83211LQ_VC1 supports MQA decoding**
- Built-in SSRC module supporting conversion between different interfaces and sampling rates
- SSRC specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 140dB
- Supports 16-32bit audio data formats
- USB2.0 high-speed compatible
- Support for UAC2.0 and UAC1.0 (mode selection via button)
- USB bus powered
**Interface Support Features**
**Audio Format Support**
- **Multiple Digital Interface Support**
- Supports USB audio input
- Supports I²S master mode audio output
- Supports UART configuration interface
- UAC2.0
**USB Function Features**
| Audio Format | Supported Sample Rates |
|:---------|:-------------|
| **PCM** | Bit depth: 16bit, 24bit, 32bit; Sample rates: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz, 705.6kHz, 768KHz |
| **DSD Native** | DSD64, DSD128, DSD256, DSD512 |
| **DOP** | DOP64, DOP128, DOP256 |
- **USB Interface Features**
- Supports UAC 1.0
- Supports UAC 2.0
- Supports firmware upgrade via USB
- Supports HID for MCU firmware upgrade
- UAC1.0
| Audio Format | Supported Sample Rates |
|:---------|:-------------|
| **PCM** | Bit depth: 16bit; Sample rate: 48kHz |
**PEQ Support**
- Support for 8-band 44.1-192KHz EQ
- Support for Web and APP PEQ console
**System Compatibility**
- UAC 2.0 protocol with ASIO support
- Supports multiple operating systems such as Windows, Linux, Android, macOS, and iOS
- Support for Windows 10 / 11[^1], Mac OS, Android[^2], iOS[^3]
- Support for proprietary ASIO driver (UAC2.0 only), enabling ultra-low latency ASIO playback
**Hardware Features**
- Support for function buttons, configurable via firmware
- Support for RGB status indicator LEDs, configurable via firmware
- Support for output load mode switching
- Support for digital filter switching
### 1.3 Application Scenarios
- USB Low-Power HiFi Decoder (USB Portable HiFi Decoder)
### 1.4 Product Function Block Diagram
### 1.4 Product Block Diagram
<figure markdown="span">
![PH83211L Block Diagram](/assets/images/hifi_audio/ph83211l_diagram.png "PH83211L Block Diagram"){width="600"}
<figcaption>Figure 1: PH83211L_VC1/PH83211LQ_VC1 Product Function Block Diagram</figcaption>
<figcaption>Figure 1: PH83211L-VC1 Product Block Diagram</figcaption>
</figure>
### 1.5 Ordering Information
| PRODUCT | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Hardware Model | Comments |
| PRODUCT | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Model Picture | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|:------------|
| PH83211L_VC1 | PH83211L-VC1 | SMT STAMP-30 | 13x13mm | A316-Mini-V1 | |
| PH83211LQ_VC1 | PH83211LQ-VC1 | SMT STAMP-30 | 13x13mm | A316-Mini-V1 | **Supports MQA Decoding**|
| PH83211L-VC1 | PH83211L-VC1 | SMT STAMP-30 | 13x13mm | ![PH83211L-VC1](/assets/images/hifi_audio/ph83211L_vc1_cover.png "PH83211L"){width=60} | **Supports 2 buttons, single ES9039Q2M DAC** |
| PH83212L-VC1 | PH83212L-VC1 | SMT STAMP-30 | 13x13mm | ![PH83212L-VC1](/assets/images/hifi_audio/ph83212L_vc1_cover.png "PH83212L"){width=60} | **Supports 3 buttons, single ES9039Q2M DAC** |
| PH83221L-VC1 | PH83221L-VC1 | SMT STAMP-30 | 13x13mm | ![PH83221L-VC1](/assets/images/hifi_audio/ph83221L_vc1_cover.png "PH83221L"){width=60} | **Supports 2 buttons, dual CS43198 DAC** |
| PH83222L-VC1 | PH83222L-VC1 | SMT STAMP-30 | 13x13mm | ![PH83222L-VC1](/assets/images/hifi_audio/ph83222L_vc1_cover.png "PH83222L"){width=60} | **Supports 3 buttons, dual CS43198 DAC** |
## 2. Modes and Specifications
@@ -90,82 +116,81 @@ PH83211L_VC1/PH83211LQ_VC1 provides USB input/I²S output mode, meeting the requ
#### 2.2.1 USB(UAC2.0) in → I²S out Mode
**Supported Audio Formats and Sampling Rates:**
**Supported Audio Formats and Sample Rates:**
| Audio Format | Supported Sampling Rates |
| Audio Format | Supported Sample Rates |
|:---------|:-------------|
| **PCM** | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz, 705.6kHz, 768KHz |
| **DSD Native** | DSD64, DSD128, DSD256, DSD512 |
| **DOP** | DOP64, DOP128, DOP256 |
| **MQA** | PH83211LQ_VC1 only |
#### 2.2.2 USB(UAC1.0) in → I²S out Mode
**Supported Audio Formats and Sampling Rates:**
**Supported Audio Formats and Sample Rates:**
| Audio Format | Supported Sampling Rates |
| Audio Format | Supported Sample Rates |
|:---------|:-------------|
| **PCM** | 48kHz |
| **PCM** | 48kHz/16bit |
## 3. Pin Configuration and Functions
### 3.1 PH83211L_VC1/PH83211LQ_VC1 Pin Layout
### 3.1 PH83211L-VC1 Pin Layout
<figure markdown="span">
![PH83211L-VC1 Pin Diagram](/assets/images/hifi_audio/a316_pin.png "PH83211L-VC1 Pin Diagram"){width=400}
<figcaption>Figure 2: PH83211L-VC1 Pin Layout Schematic</figcaption>
<figcaption>Figure 2: PH83211L-VC1 Pin Arrangement Diagram</figcaption>
</figure>
### 3.2 PH83211L_VC1/PH83211LQ_VC1 Pin Description
### 3.2 Pin Description
| Module Pin Number | Name | Type | Function |
| Module Pin Number | Name | Type | Function Description |
| :------: | :------: | :------: | :------ |
| 1 | 3.3V | P | Module 3.3V power supply |
| 2 | X1D13 | I/O | Multi-function GPIO |
| 3 | X1D16 | I/O | Multi-function GPIO |
| 2 | X1D13 | I/O | NC (Not Connected) |
| 3 | X1D16 | I/O | NC |
| 4 | GND | P | Module ground |
| 5 | X1D17 | I/O | Multi-function GPIO |
| 6 | X1D18 | I/O | Multi-function GPIO |
| 7 | X1D19 | I/O | Multi-function GPIO |
| 8 | X1D22 | I/O | Multi-function GPIO |
| 9 | X0D29 | I/O | Multi-function GPIO |
| 10 | X0D35 | I/O | Multi-function GPIO |
| 11 | X0D36 | I/O | Multi-function GPIO |
| 12 | X0D37 | I/O | Multi-function GPIO |
| 13 | X0D38 | I/O | Multi-function GPIO |
| 14 | X0D40 | I/O | Multi-function GPIO |
| 15 | X0D39 | I/O | Multi-function GPIO |
| 16 | X0D42 | I/O | Multi-function GPIO |
| 17 | X0D41 | I/O | Multi-function GPIO |
| 18 | X0D43 | I/O | Multi-function GPIO |
| 19 | X1D34 | I/O | Multi-function GPIO |
| 5 | X1D17 | I/O | NC |
| 6 | X1D18 | I/O | NC |
| 7 | X1D19 | I/O | NC |
| 8 | X1D22 | I/O | NC |
| 9 | X0D29 | O | **CHIP_EN**: Connects to DAC's CHIP_EN pin, used to enable DAC, active high |
| 10 | X0D35 | O | **I2S_BCLK**: I²S bit clock, connects to DAC |
| 11 | X0D36 | O | **I2S_LRCK**: I²S left/right clock, connects to DAC |
| 12 | X0D37 | I | **Play/MODE**: Button 2: Function button, active low (supported by models PH83212L-VC1/PH83222L-VC1) |
| 13 | X0D38 | O | **I2S_DOUT**: I²S data output, connects to DAC |
| 14 | X0D40 | O | **LED_GREEN**: Drives green LED, active low |
| 15 | X0D39 | O | **MCLK**: Master clock output, connects to DAC |
| 16 | X0D42 | O | **LED_BLUE**: Drives blue LED, active low |
| 17 | X0D41 | O | **LED_RED**: Drives red LED, active low |
| 18 | X0D43 | I/O | **AMP_POWER_EN**: Headphone amplifier power enable signal, active high |
| 19 | X1D34 | I/O | NC |
| 20 | GND | P | Module ground |
| 21 | X0D30 | I/O | Multi-function GPIO |
| 22 | X0D31 | I/O | Multi-function GPIO |
| 23 | X0D32 | I/O | Multi-function GPIO |
| 24 | X0D32 | I/O | Multi-function GPIO |
| 21 | X0D30 | O | **AMP_EN**: Headphone amplifier enable signal, active high |
| 22 | X0D31 | O | **CTRL_MUTE**: Mute control signal, low level mutes, high level outputs |
| 23 | X0D32 | I | **P_VOL-**: Button 2: Volume down button input, active low |
| 24 | X0D33 | I | **P_VOL+**: Button 1: Volume up button input, active low |
| 25 | GND | P | Module ground |
| 26 | GND | P | Module ground |
| 27 | GND | P | Module ground |
| 28 | X0D00 | I/O | Multi-function GPIO |
| 29 | X0D11 | I/O | Multi-function GPIO |
| 30 | X1D00 | I/O | Multi-function GPIO |
| 31 | X1D01 | I/O | Multi-function GPIO |
| 28 | X0D00 | I/O | **I2C_SDA**: I²C data line, used to connect and control DAC |
| 29 | X0D11 | I/O | **I2C_SCL**: I²C clock line, used to connect and control DAC |
| 30 | X1D00 | I/O | NC |
| 31 | X1D01 | I/O | NC |
| 32 | GND | P | Module ground |
| 33 | X1D09 | I/O | Multi-function GPIO |
| 34 | X1D10 | I/O | Multi-function GPIO |
| 35 | X1D11 | I/O | Multi-function GPIO/XU316 internal clock output |
| 33 | X1D09 | I/O | NC |
| 34 | X1D10 | I/O | NC |
| 35 | X1D11 | O | Connected to X0D39 |
| 36 | GND | P | Module ground |
| 37 | GND | P | Module ground |
| 38 | TDI | I/O | Multi-function GPIO |
| 39 | TDO | I/O | Multi-function GPIO |
| 40 | TMS | I/O | Multi-function GPIO |
| 41 | TCK | I/O | Multi-function GPIO |
| 42 | RST_N | I/O | Multi-function GPIO |
| 38 | TDI | I/O | JTAG_TDI |
| 39 | TDO | I/O | JTAG_TDO |
| 40 | TMS | I/O | JTAG_TMS |
| 41 | TCK | I/O | JTAG_TCK |
| 42 | RST_N | I | XMOS_RST |
| 43 | 1.8V | P | Module 1.8V power supply |
| 44 | GND | P | Module ground |
| 45 | USB_DM | I/O | USB_DM |
| 46 | USB_DP | I/O | USB_DP |
| 45 | USB_DM | I/O | USB D- |
| 46 | USB_DP | I/O | USB D+ |
| 47 | GND | P | Module ground |
| 48 | 0.9V | P | Module 0.9V power supply |
| 49 | GND | P | Module ground |
@@ -173,50 +198,171 @@ PH83211L_VC1/PH83211LQ_VC1 provides USB input/I²S output mode, meeting the requ
| 51 | GND | P | Module ground |
| 52 | GND | P | Module ground |
!!! info "Pin Type Description"
- I/O type definitions in the table: I=Input, O=Output, P=Power, I/O=Input/Output
## 4. Hardware Parameters
### 4.1 Normal Operating Conditions
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:op"
### 4.2 Product Dimensions
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:size"
### 4.3 Module Package Diagram
<figure markdown="span">
![PH873XXL_VC1 Package Diagram](/assets/images/hifi_audio/a316_size.png "PH873XXL_VC1 Package Diagram"){width=400}
<figcaption></figcaption>
</figure>
### 4.3 Module Schematic
<figure markdown="span">
![PH873XXL_VC1 Schematic](/assets/download/a316_mini_v1/A316-Mini_V02_250412_sch.png "PH873XXL_VC1 Schematic")
<figcaption></figcaption>
</figure>
### 4.4 XMOS XU316 Chip Datasheet
[:fontawesome-regular-file-pdf: XMOS-XU316-1024-QF60B-C24](/assets/download/XMOS-XU316-1024-QF60B-C24.pdf)
## 5. Reference Design
<figure markdown="span">
![PH873XXL_VC1 Reference Design](/assets/download/a316_mini_v1/a316_mini_v1_mini_ref_design.png "PH873XXL_VC1 Reference Design")
<figcaption></figcaption>
</figure>
## 6. RGB Status Indicator LED Definitions
| UAC Mode | Audio Stream Format/Sample Rate | LED Color (Low Gain Mode) | LED Color (High Gain Mode) |
|:---:|:---:|:---:|:---:|
| UAC1.0 | -- | Blue solid | Blue blinking |
| UAC2.0 | PCM 44.1K/48K | Red solid | Red blinking |
| UAC2.0 | PCM 88.2K/96K | Cyan solid | Cyan blinking |
| UAC2.0 | PCM 176.4K～768K | Yellow solid | Yellow blinking |
| UAC2.0 | DSD | White solid | White blinking |
## 4. Revision History
## 7. Button Function Description
### 7.1 Button Operations
**Button 1 (Volume+)**
- Short press: Increase volume by 1 level
- Long press (1 second): Continuous volume increase
- Press and hold before powering on: Device operates in UAC1.0 mode** (Supported by models PH83211-VC1/PH83221-VC1) **
**Button 2 (Volume-)**
- Short press: Decrease volume by 1 level
- Long press (1 second): Continuous volume decrease
- Press and hold before powering on: Device operates in UAC1.0 mode** (Supported by models PH83211-VC1/PH83221-VC1) **
**Button 1 (Volume+) + Button 2 (Volume-) (Combination Key)**
- Press both buttons briefly simultaneously: Switch gain mode** (Supported by model PH83211-VC1) **
- Press both buttons simultaneously for 1 second: Switch filter mode** (Supported by models PH83211-VC1/PH83212-VC1) **
**Button 3 (Mode) (Supported by models PH83212-VC1/PH83222-VC1)**
- Short press: Play/Pause
- Double click: Play next track
- Triple click: Play previous track
- Long press (1 second): Switch gain mode** (Supported by model PH83212-VC1 only) **
- Press and hold before powering on: Device operates in UAC1.0 mode
### 7.2 Button Volume Control and System Volume Control Description
- The device features 60-level button volume control with power-off memory function. Factory default is level 20.
- Button volume level configuration table:
| Button Volume Level | Attenuation (dB) | Button Volume Level | Attenuation (dB) | Button Volume Level | Attenuation (dB) |
|:-------------|:----------------|:-------------|:----------------|:-------------|:----------------|
| 60 | 0 | 40 | -20 | 20 | -40 |
| 59 | -1 | 39 | -21 | 19 | -41 |
| 58 | -2 | 38 | -22 | 18 | -42 |
| 57 | -3 | 37 | -23 | 17 | -43 |
| 56 | -4 | 36 | -24 | 16 | -44 |
| 55 | -5 | 35 | -25 | 15 | -46 |
| 54 | -6 | 34 | -26 | 14 | -48 |
| 53 | -7 | 33 | -27 | 13 | -50 |
| 52 | -8 | 32 | -28 | 12 | -52 |
| 51 | -9 | 31 | -29 | 11 | -54 |
| 50 | -10 | 30 | -30 | 10 | -57 |
| 49 | -11 | 29 | -31 | 9 | -60 |
| 48 | -12 | 28 | -32 | 8 | -64 |
| 47 | -13 | 27 | -33 | 7 | -69 |
| 46 | -14 | 26 | -34 | 6 | -74 |
| 45 | -15 | 25 | -35 | 5 | -79 |
| 44 | -16 | 24 | -36 | 4 | -84 |
| 43 | -17 | 23 | -37 | 3 | -89 |
| 42 | -18 | 22 | -38 | 2 | -99 |
| 41 | -19 | 21 | -39 | 1 | -100 |
| 0 | -127.5 | | | | |
- When volume is adjusted, the LED will flash the corresponding color based on the current volume level. After 3 seconds of no operation, it returns to the sample rate indicator color.
| Volume Level Reached | LED Real-time Indicator |
|:----------------|:-------------|
| Levels 0-23 | Flashing green |
| Levels 24-48 | Flashing yellow |
| Levels 49-60 | Flashing red |
- When volume reaches maximum or minimum, the LED at the corresponding level's color stays solid without blinking.
- Volume control is an independent function implemented by adjusting DAC volume. The volume level is not synchronized to the host, and the host's system volume level is not synchronized to the button volume level.
- The final output volume of the device equals system volume plus button volume. For example, if system volume is set to -6dB and button volume is set to -2dB, the device output volume = -6dB - 2dB = -8dB.
---
## 8. Gain Mode Description (Supported by models PH83211-VC1/PH83212-VC1)
- The device supports two gain modes: low gain mode and high gain mode. Gain mode supports power-off memory function.
- Default is low gain mode
- Switching gain modes
- PH83211-VC1: During device operation, press Button 1 (Volume+) and Button 2 (Volume-) simultaneously and release within 1 second (short press combination key) to switch gain mode once.
- PH83212-VC1: During device operation, long press Button 3 for more than 1 second and release within 1 second (short press combination key) to switch gain mode once.
- Low gain mode and high gain mode cycle alternately
---
## 9. Digital Filter Mode Description in UAC2.0 HiFi Music Mode (Supported by models PH83211-VC1/PH83212-VC1)
- The device features 8 selectable PCM filter modes. Filter mode supports power-off memory function.
- Filter mode configuration table:
| Filter Mode | Filter Name |
|:-----------|:-----------|
| Mode 1 | Minimum Phase filter (default) |
| Mode 2 | Linear Phase Apodizing Fast Roll-off filter |
| Mode 3 | Linear phase fast roll‐off filter |
| Mode 4 | Linear Phase Fast Roll-off low-ripple filter |
| Mode 5 | Linear phase slow roll‐off filter |
| Mode 6 | Minimum phase fast roll‐off filter |
| Mode 7 | Minimum phase slow roll‐off filter|
| Mode 8 | Minimum Phase Fast Roll-Off Low Dispersion|
- Switching filter modes
- During device operation, press Button 1 (Volume+) and Button 2 (Volume-) simultaneously and hold for more than 1 second (long press combination key) to switch filter mode once, cycling through the modes in the order listed above.
- When switching filter modes, the LED provides corresponding status indication:
| Mode Switched To | LED Real-time Indicator |
|:-------------|:-------------|
| Modes 1～7 | Purple LED flashes once |
| Mode 8 | Purple LED flashes twice |
---
## 10. Revision History
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-05-07 | Initial release | |
| | | | |
| | | | |
| V1.1 | 2025-11-11 | Updated pin definitions | - |
| V1.2 | 2025-12-29 | Updated function definitions, added reference design | - |
## 5. Inquiry and Feedback
<details>
<summary>Click to expand inquiry and feedback form</summary>
--8<-- "common/customer_form.md"
</details>
<!-- ## Technical Specifications
### Audio Specifications
- Sampling rate: 44.1kHz, 48kHz, 88.2kHz, 96kHz
- Bit depth: 16/24/32bit
- Signal-to-noise ratio: >110dB
- Total harmonic distortion: <0.001%
### Interfaces
- USB Type-C interface
- 3.5mm audio output interface
### Power Requirements
- USB power supply: 5V
- Power consumption: <100mA
## Application Scenarios
- Portable audio devices
- External sound card for laptops
- Mobile device audio extension
## Technical Support
For technical support, please contact our technical support team:
- Email: support@phaten-audio.com
- Phone: +86-755-XXXXXXXX -->

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@@ -0,0 +1,225 @@
---
title: PH83321L_VC1/PH83321LQ_VC1 768KHz/DSD512 USB Low-Power HiFi Audio Decoder
description: PH83321L_VC1/PH83321LQ_VC1 Low-Power Audio Decoder Technical Documentation
author: Technical Documentation Department
date: 2025-05-07
print_page: true
tags:
- Audio Decoder
- XMOS
- USB HiFi
- MQA
---
# PH83321L_VC1/PH83321LQ_VC1 768KHz/DSD512 USB Low-Power HiFi Audio Decoder
--8<-- "common/phaten_xmos_support_img.md"
## 1. Introduction
### 1.1 Product Description
PH83321L_VC1/PH83321LQ_VC1 is a USB low-power HiFi audio decoder supporting up to PCM 768KHz/DSD512, specifically designed for portable HiFi decoder audio applications.
PH83321L_VC1/PH83321LQ_VC1 supports multiple standard audio formats, including USB Audio Class 1.0/2.0, S/PDIF and I²S interfaces. Flexible audio interfaces allow PH83321L_VC1/PH83321LQ_VC1 to connect to various audio data converters, digital audio receivers and transmitters, and digital signal processors.
Compatible with AES3, S/PDIF, IEC 60958, and EIAJ CP-1201 digital audio interfaces.
PH83321L_VC1/PH83321LQ_VC1 provides multiple input/output modes, including USB input/I²S output and USB input/S/PDIF output, meeting the requirements of different application scenarios.
!!! warning "Important Notice"
**The PH83321LQ_VC1 model supports MQA audio decoding, while the PH83321L_VC1 model does not support this feature.**
### 1.2 Product Features
**Audio Performance Features**
- Supports input and output sampling rates up to 768kHz
- Supports DSD64/128/256/512 formats
- **PH83321LQ_VC1 supports MQA decoding**
- Built-in SSRC module supporting conversion between different interfaces and different sampling rates
- SSRC specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 140dB
- Supports 16-32bit audio data formats
**Interface Support Features**
- **Multiple Digital Interface Support**
- Supports USB audio input
- Supports I²S master mode audio output
- Supports S/PDIF audio output
- Supports UART configuration interface
**USB Function Features**
- **USB Interface Features**
- Supports UAC 1.0
- Supports UAC 2.0
- Supports firmware upgrade via USB
- Supports HID, can upgrade MCU firmware through HID
**System Compatibility**
- UAC 2.0 protocol, supports ASIO
- Supports multiple operating systems such as Windows, Linux, Android, macOS and iOS
### 1.3 Application Scenarios
- USB Low-Power HiFi Decoder (USB Portable HiFi Decoder)
### 1.4 Product Block Diagram
<figure markdown="span">
![PH83321L Block Diagram](/assets/images/hifi_audio/ph83321l_diagram.png "PH83321L Block Diagram"){width="600"}
<figcaption>Figure 1: PH83321L_VC1/PH83321LQ_VC1 Product Block Diagram</figcaption>
</figure>
### 1.5 Ordering Information
| PRODUCT | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Hardware Model | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|:------------|
| PH83321L_VC1 | PH83321L-VC1 | SMT STAMP-30 | 13x13mm | A316-Mini-V1 | |
| PH83321LQ_VC1 | PH83321LQ-VC1 | SMT STAMP-30 | 13x13mm | A316-Mini-V1 | **Supports MQA decoding**|
## 2. Modes and Specifications
### 2.1 Supported Input/Output Modes
| Mode Number | Input/Output Mode | Description |
|:--------:|:------------------------|:------------------------|
| 1 | USB(UAC2.0) in-I²S(Master) out | USB input, I²S output, UAC2.0 |
| 2 | USB(UAC1.0) in-I²S(Master) out | USB input, I²S output, UAC1.0 |
| 3 | USB IN(UAC2.0)-SPDIF OUT | USB input, S/PDIF output, UAC2.0 |
### 2.2 Detailed Parameters for Each Operating Mode
#### 2.2.1 USB(UAC2.0) in → I²S out Mode
**Supported Audio Formats and Sampling Rates:**
| Audio Format | Supported Sampling Rates |
|:---------|:-------------|
| **PCM** | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz, 705.6kHz, 768KHz |
| **DSD Native** | DSD64, DSD128, DSD256, DSD512 |
| **DOP** | DOP64, DOP128, DOP256 |
| **MQA** | PH83321LQ_VC1 only |
#### 2.2.2 USB(UAC1.0) in → I²S out Mode
**Supported Audio Formats and Sampling Rates:**
| Audio Format | Supported Sampling Rates |
|:---------|:-------------|
| **PCM** | 48kHz |
#### 2.2.3 USB(UAC2.0) in → S/PDIF out Mode
**Input/Output Sampling Rate Support:**
| Interface | Audio Format | Supported Sampling Rates |
|:-----|:---------|:-------------|
| **USB Input** | PCM | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz |
| **S/PDIF Input** | PCM | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz |
**SSRC (Synchronous Sample Rate Conversion) Function:**
* Input sampling rate ≤ 192kHz: Output at original sampling rate
* Input sampling rate > 192kHz: Output at 192kHz after SSRC conversion
**SSRC Performance Specifications:**
* THD+N (@1kHz, 0dBFs): ≤-130dB
* SNR: ≥140dB
#### 2.2.4 USB(UAC1.0) in → S/PDIF out Mode
**Supported Audio Formats and Sampling Rates:**
| Audio Format | Supported Sampling Rates |
|:---------|:-------------|
| **PCM** | 48kHz |
## 3. Pin Configuration and Functions
### 3.1 PH83321L_VC1/PH83321LQ_VC1 Pin Layout
<figure markdown="span">
![PH83321L-VC1 Pin Diagram](/assets/images/hifi_audio/a316_pin.png "PH83321L-VC1 Pin Diagram"){width=400}
<figcaption>Figure 2: PH83321L-VC1 Pin Layout Diagram</figcaption>
</figure>
### 3.2 PH83321L_VC1/PH83321LQ_VC1 Pin Description
| Module Pin Number | Name | Type | Function |
| :------: | :------: | :------: | :------ |
| 1 | 3.3V | P | Module 3.3V power supply |
| 2 | X1D13 | I/O | NC |
| 3 | X1D16 | I/O | NC |
| 4 | GND | P | Module ground |
| 5 | X1D17 | I/O | NC |
| 6 | X1D18 | I/O | NC |
| 7 | X1D19 | I/O | NC |
| 8 | X1D22 | I/O | NC |
| 9 | X0D29 | I/O | NC |
| 10 | X0D35 | I/O | I2S_BCLK |
| 11 | X0D36 | I/O | I2S_LRCK |
| 12 | X0D37 | I/O | S/PDIF IN |
| 13 | X0D38 | I/O | I2S_DOUT |
| 14 | X0D40 | I/O | NC |
| 15 | X0D39 | I/O | MCLK |
| 16 | X0D42 | I/O | NC |
| 17 | X0D41 | I/O | NC |
| 18 | X0D43 | I/O | NC |
| 19 | X1D34 | I/O | NC |
| 20 | GND | P | Module ground |
| 21 | X0D30 | I/O | CTRL_MUTE. Low mute audio out, hight: unmute audio out |
| 22 | X0D31 | I/O | Power_EN, analog power enable |
| 23 | X0D32 | I/O | NC |
| 24 | X0D33 | I/O | NC |
| 25 | GND | P | Module ground |
| 26 | GND | P | Module ground |
| 27 | GND | P | Module ground |
| 28 | X0D00 | I/O | UART_TX, connect to MCU_RX |
| 29 | X0D11 | I/O | UART_RX, connect to MCU_TX |
| 30 | X1D00 | I/O | NC |
| 31 | X1D01 | I/O | NC |
| 32 | GND | P | Module ground |
| 33 | X1D09 | I/O | NC |
| 34 | X1D10 | I/O | NC |
| 35 | X1D11 | I/O | Connect to X0D39 |
| 36 | GND | P | Module ground |
| 37 | GND | P | Module ground |
| 38 | TDI | I/O | JTAG_TDI |
| 39 | TDO | I/O | JTAG_TDO |
| 40 | TMS | I/O | JTAG_TMS |
| 41 | TCK | I/O | JTAG_TCK |
| 42 | RST_N | I/O | XMOS_RST |
| 43 | 1.8V | P | Module 1.8V power supply |
| 44 | GND | P | Module ground |
| 45 | USB_DM | I/O | USB_DM |
| 46 | USB_DP | I/O | USB_DP |
| 47 | GND | P | Module ground |
| 48 | 0.9V | P | Module 0.9V power supply |
| 49 | GND | P | Module ground |
| 50 | GND | P | Module ground |
| 51 | GND | P | Module ground |
| 52 | GND | P | Module ground |
!!! info "Pin Type Description"
- I/O type definitions in the table: I=Input, O=Output, P=Power, I/O=Input/Output
## 4. Revision History
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-05-07 | Initial release | |
| | | | |
| | | | |
## 5. Consultation and Feedback
<details>
<summary>Click to expand consultation and feedback form</summary>
--8<-- "common/customer_form.md"
</details>

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---
title: XMSRC4192-VC1 2-Channel 192KHz ASRC Audio Sample Rate Converter with 2x S/PDIF and 2x I2S Interfaces
description: XMSRC4192-VC1 2-channel asynchronous sample rate converter datasheet
author: Technical Documentation Department
date: 2025-01-15
print_page: true
---
--8<-- "common/phaten_xmos_support_img.md"
<div class="grid" markdown>
<div class="card-wide" markdown>
# XMSRC4192-VC1
__2-Channel 192KHz ASRC Audio Sample Rate Converter with 2x S/PDIF and 2x I2S Interfaces__
</div>
</div>
## 1. Introduction
### 1.1 Product Description
XMSRC4192 is a high-performance 2-channel asynchronous sample rate converter based on the XMOS chip architecture, providing a wide-range sample rate conversion from 16:1 to 1:16, 144dB dynamic range, and comprehensive support for multiple digital audio formats including I2S, Left-justified, and Right-justified.
- This product integrates two S/PDIF input interfaces, providing users with more flexible signal source selection. Users can flexibly switch between I2S input and S/PDIF input according to application requirements, significantly enhancing system connectivity and adaptability.
- The XMOS chip architecture ensures high reliability and excellent audio processing performance, providing professional audio equipment manufacturers with a more competitive solution.
- Single SRC module architecture capable of simultaneously processing 2-channel audio sample rate conversion.
### 1.2 Product Features
<div class="grid cards" markdown>
- :material-audio-input-stereo-minijack:{ .lg .middle } __Dual-Channel SRC Audio Sample Rate Conversion__
---
- Single SRC Module Architecture
- Process 2 audio signals (stereo)
- Configurable input sources
- Simultaneous 2-channel audio sample rate conversion
- Flexible Signal Routing
- Input options: I2S_IN or S/PDIF_I
- Output options: I2S_OUT or S/PDIF_O
- Support for multiple operation modes
- :material-sine-wave:{ .lg .middle } __Ultra-High Sample Rate Conversion Support__
---
- ASRC (Asynchronous Sample Rate Conversion)
- Support sample rate conversion from 44.1KHz to 192KHz
- Support wide-range input/output sample rate ratio from 16:1 to 1:16
- Automatic input/output sample rate detection
- Audio Data Processing
- Support 16bit/24bit/32bit audio data processing
- 144dB dynamic range
- THD+N: -140dB
- :material-connection:{ .lg .middle } __Multi-Interface Support__
---
- S/PDIF Interface
- 2 S/PDIF input/output interfaces (S/PDIF_I, S/PDIF_O)
- Compatible with AES3, IEC 60958, and EIAJ CP-1201 standards
- I²S Interface
- 2 I²S interfaces (1 input + 1 output)
- Support Master/Slave mode
- :material-file-document-multiple:{ .lg .middle } __Comprehensive Digital Audio Format Support__
---
- Support I2S, Left-Justified, Right-Justified formats
- Support 16bit/24bit/32bit audio data processing
- All output data dithered from internal 28-bit data path
- :material-cog:{ .lg .middle } __Flexible Configuration Interface__
---
- I²C/UART Configuration Interface
- Support both I²C and UART dual-protocol configuration
- Configurable Parameters
- Input/output mode
- I²S sample rate configuration (Master mode)
- Master/Slave mode switching
- I²S audio format (I²S/Left-Justified/Right-Justified)
- :material-clock-outline:{ .lg .middle } __Intelligent Clock Management__
---
- Master Clock Output (MCLK)
- Support 128fs, 256fs, 512fs, 1024fs reference clocks
</div>
### 1.3 Application Scenarios
<div class="grid cards" markdown>
- :material-microphone:{ .lg .middle } __Professional Recording Studios__
---
- High-precision sample rate conversion in stereo recording equipment
- Processing audio materials with different sample rates in audio workstations
- Achieving unified audio signal formats in mixing console systems
- :material-broadcast:{ .lg .middle } __Broadcasting and Television__
---
- Real-time audio signal processing in broadcast equipment
- Synchronous processing of audio from different sources in TV production
- Optimized audio signal conversion in live broadcasting systems
- :material-speaker:{ .lg .middle } __Digital Audio Systems__
---
- Audio signal preprocessing in amplifier equipment
- Stereo signal conversion in audio processors
- Signal optimization in speaker management systems
- :material-car:{ .lg .middle } __Automotive Audio__
---
- Audio format conversion in in-vehicle entertainment systems
- Audio quality optimization processing in high-end audio systems
- Signal processing in noise reduction systems
- :material-home:{ .lg .middle } __Consumer Electronics__
---
- Audio signal processing in high-end audio equipment
- Stereo processing in home theater systems
- Signal conversion in professional audio interfaces
- :material-factory:{ .lg .middle } __Industrial Applications__
---
- Signal standardization in audio test equipment
- Data processing in audio analysis instruments
- Format conversion in professional signal processing equipment
</div>
### 1.4 Product Block Diagram
<figure markdown="span">
![XMSRC4192 Block Diagram](/assets/images/hifi_audio/xmsrc4192_diagram.png "XMSRC4192-VC1 Block Diagram"){width=700}
<figcaption>Figure 1: XMSRC4192-VC1 Block Diagram</figcaption>
</figure>
### 1.5 Ordering Information
| PRODUCT MODEL | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Hardware Model | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|:------------|
| XMSRC4192-VC1 | XMSRC4192-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | 2-channel 192KHz ASRC sample rate converter, single SRC module, 2x S/PDIF inputs |
## 2. Modes and Specifications
### 2.1 Supported Input/Output Modes
XMSRC4192-VC1 adopts a single SRC module design with configurable input sources. The following lists typical application modes:
| Mode Number | Input/Output Mode | Description |
|:--------:|:----------|:-----|
| 1 | S/PDIF_I → SRC → I²S_OUT (Master) | S/PDIF_I to I²S output |
| 2 | S/PDIF_I → SRC → I²S_OUT (Slave) | S/PDIF_I to I²S output |
| 3 | I²S_IN (Master) → SRC → S/PDIF_O | I²S output to S/PDIF_O output |
| 4 | I²S_IN (Slave) → SRC → S/PDIF_O | I²S output to S/PDIF_O output |
| 5 | I²S_IN (Master) → SRC → I²S_OUT (Master) | Stereo sample rate conversion |
| 6 | I²S_IN (Slave) → SRC → I²S_OUT (Master) | Stereo sample rate conversion |
| 7 | S/PDIF_I → SRC → S/PDIF_O | S/PDIF_I to S/PDIF_O output |
!!! note "Mode Configuration Instructions"
- Configuration can be dynamically switched through I²C/UART interface
### 2.2 Audio Performance Specifications
| Performance Indicator | ASRC Mode | Test Conditions |
|:---------|:---------|:---------|
| Resolution | 16-32 bits | - |
| Input Sampling Frequency | 44.1kHz ~ 192kHz | - |
| Output Sampling Frequency | 44.1kHz ~ 192kHz | - |
| Dynamic Range | 144dB | -60dBFS input, A-weighted |
| THD+N | -140dB | 0dBFS input, 20Hz~fs/2 |
## 3. Pin Configuration and Functions
### 3.1 XMSRC4192_VC1 Pin Layout
<figure markdown="span">
![XMSRC4192-VC1 Pin Diagram](/assets/images/hifi_audio/a316_pin.png "XMSRC4192-VC1 Pin Diagram"){width=400}
<figcaption>Figure 2: XMSRC4192_VC1 Pin Layout Diagram (A316-Mini-V1 Package)</figcaption>
</figure>
### 3.2 XMSRC4192_VC1 Pin Description
| Pin Number | Name | Type | Function |
|:--------:|:----------|:------|:-----------------------------|
| 1 | 3.3V | P | Module 3.3V power supply |
| 2 | X1D13 | I | S/PDIF_B (S/PDIF output) |
| 3 | X1D16 | - | Reserved |
| 4 | GND | P | Module ground |
| 5 | X1D17 | - | Reserved |
| 6 | X1D18 | - | Reserved |
| 7 | X1D19 | - | Reserved |
| 8 | X1D22 | - | Reserved |
| 9 | X0D29 | I/O | NC |
| 10 | X0D35 | I/O | BCLKI (I²S input bit clock, Master output/Slave input) |
| 11 | X0D36 | I/O | LRCKI (I²S input frame sync, Master output/Slave input) |
| 12 | X0D37 | I | S/PDIF_I (S/PDIF input) |
| 13 | X0D38 | - | SDIN (I²S data input) |
| 14 | X0D40 | I/O | NC |
| 15 | X0D39 | O | MCLK_OUT (Master clock output) |
| 16 | X0D42 | - | Reserved |
| 17 | X0D41 | I/O | NC |
| 18 | X0D43 | - | Reserved |
| 19 | X1D34 | - | Reserved |
| 20 | GND | P | Module ground |
| 21 | X0D30 | I/O | CTL_MUTE |
| 22 | X0D31 | I/O | UART_I2C_SEL (UART/I2C selection) |
| 23 | X0D32 | I/O | NC |
| 24 | X0D33 | - | Reserved |
| 25 | GND | P | Module ground |
| 26 | GND | P | Module ground |
| 27 | GND | P | Module ground |
| 28 | X0D00 | I | UART_TX/I2C_SCL |
| 29 | X0D11 | O | UART_RX/I2C_SDA |
| 30 | X1D00 | - | LRCKO (I²S output frame sync, Master output/Slave input) |
| 31 | X1D01 | - | SDOUT (I²S data output) |
| 32 | GND | P | Module ground |
| 33 | X1D09 | - | Reserved |
| 34 | X1D10 | - | BCLKO (I²S output bit clock, Master output/Slave input) |
| 35 | X1D11 | O | MCLK_OUT (Master clock output) |
| 36 | GND | P | Module ground |
| 37 | GND | P | Module ground |
| 38 | TDI | I/O | JTAG debug interface |
| 39 | TDO | I/O | JTAG debug interface |
| 40 | TMS | I/O | JTAG debug interface |
| 41 | TCK | I/O | JTAG debug interface |
| 42 | RST_N | I | System reset, active low |
| 43 | 1.8V | P | Module 1.8V power supply |
| 44 | GND | P | Module ground |
| 45 | USB_DM | I/O | USB_DM (Reserved, not used) |
| 46 | USB_DP | I/O | USB_DP (Reserved, not used) |
| 47 | GND | P | Module ground |
| 48 | 0.9V | P | Module 0.9V power supply |
| 49 | GND | P | Module ground |
| 50 | GND | P | Module ground |
| 51 | GND | P | Module ground |
| 52 | GND | P | Module ground |
!!! info "Pin Type Definitions"
I/O types in the table: I=Input, O=Output, P=Power, I/O=Input/Output
!!! warning "Important Notes"
- **UART/I2C Interface Selection**: Select interface type through pin 22 (X0D31) UART_I2C_SEL signal
- **MCLK Output**: Pin 15 (X0D39) and pin 35 (X1D11)
- Required for Master mode, supports 128fs/256fs/512fs/1024fs
## 4. Configuration Interface Description
### 4.1 I²C/UART Configuration Interface
XMSRC4192-VC1 supports both I²C and UART dual-protocol configuration, providing flexible configuration options. The UART_I2C_SEL signal on pin 22 (X0D31) can be used to select which configuration interface to use:
| Configuration Method | Pin 22 (X0D31) | Communication Interface | Description |
|:--------|:-------------|:---------|:-----|
| Pull-up | UART_I2C_SEL | UART Mode | Pin 29 (X0D11)=UART_RX, Pin 28 (X0D01)=UART_TX |
| Pull-down | UART_I2C_SEL | I²C Mode | Pin 29 (X0D11)=I2C_SDA, Pin 28 (X0D01)=I2C_SCL |
### 4.2 Configurable Parameters
The following parameters can be configured through I²C or UART interface:
| Parameter Type | Configuration Options | Description |
|:--------|:---------|:-----|
| Input/Output Mode | Select from 7 input/output modes |
| I²S Sample Rate | 4kHz~192kHz | Configured in Master mode |
| I²S Input Format | I²S/Left-Justified/Right-Justified | Audio data format |
| I²S Output Format | I²S/Left-Justified/Right-Justified | Audio data format |
| Output Word Length | 16/24/32 bits | |
!!! note "Configuration Instructions"
- For detailed configuration commands, please refer to the configuration protocol documentation
### 4.3 MCLK Configuration
- Master mode ports require MCLK for generating LRCK and BCK
- MCLK supports 128fs/256fs/512fs/1024fs
## 5. Hardware Parameters
### 5.1 Normal Operating Conditions
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:op"
### 5.2 Product Dimensions
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:size"
### 5.3 Module Package Diagram
<figure markdown="span">
![A316-Mini-V1 Package Diagram](/assets/images/hifi_audio/a316_size.png "A316-Mini-V1 Package Diagram"){width=400}
<figcaption>Figure 3: A316-Mini-V1 Package Diagram</figcaption>
</figure>
## 6. Minimum System Reference Design
<figure markdown="span">
![A316-Mini-V1 Minimum System Reference Design](/assets/download/a316_mini_v1/a316_mini_v1_mini_ref_design.png "A316-Mini-V1 Minimum System Reference Design"){width=800}
<figcaption></figcaption>
</figure>
## 7. Product Packaging Information
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:package"
## 8. Revision History
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-10-6 | Initial release | Technical Documentation Department |
| | | | |
## 9. Inquiry and Feedback
<details>
<summary>Click to expand inquiry and feedback form</summary>
--8<-- "common/customer_form.md"
</details>

8
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@@ -20,11 +20,11 @@ __4-Channel 192KHz ASRC and 768KHz SSRC Audio Sample Rate Converter with Integra
### 1.1 Product Description
XMSRC4392 is a high-performance four-channel asynchronous audio sample rate converter based on XMOS high-performance chips, specifically designed for professional audio applications. Compared to the SRC4392's dual-channel SRC solution, this product provides double the processing capability while achieving significant optimization in both cost and performance.
XMSRC4392 is a high-performance 4-channel asynchronous audio sample rate converter based on XMOS high-performance chips, designed specifically for professional audio applications. Compared to the SRC4392's dual-channel SRC solution, this product provides double the processing capability while achieving significant optimization in both cost and performance.
- The product integrates two independent SRC modules (SRC_A and SRC_B), each capable of processing two audio channels, supporting ultra-high sampling rates up to 768KHz, providing exceptional flexibility and high-performance audio sample rate conversion for various digital audio systems.
- Supports SSRC sample rate conversion between 44.1KHz-768KHz, ASRC sample rate conversion between 44.1KHz-192KHz, and processes 16bit/24bit/32bit audio data.
- The product features excellent audio performance specifications, with both SSRC and ASRC THD+N (@1kHz, 0dBFs) ≤ -130dB, providing audio equipment manufacturers with professional-grade audio processing solutions.
- The product integrates two independent SRC modules (SRC_A and SRC_B), each capable of processing two audio channels, supporting ultra-high sample rates up to 768KHz, providing exceptional flexibility and high-performance audio sample rate conversion for various digital audio systems.
- Supports SSRC with sample rate conversion from 44.1KHz to 768KHz, ASRC with sample rate conversion from 44.1KHz to 192KHz, and supports 16-bit/24-bit/32-bit audio data processing.
- The product features excellent audio performance specifications, with THD+N (@1kHz, 0dBFs) ≤ -130dB for both SSRC and ASRC, providing professional-grade audio processing solutions for audio equipment manufacturers.
### 1.2 Product Features

58
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@@ -1,6 +1,6 @@
---
title: OT82111-VC1 4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Integrated 2-Channel I2S Slave Interface
description: OT82111-VC1 4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Integrated 2-Channel I2S Slave Interface Technical Documentation
title: OT82111-VC1 4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Dual I2S Slave Interfaces
description: OT82111-VC1 4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Dual I2S Slave Interfaces Technical Documentation
author: Technical Documentation Department
date: 2025-05-14
print_page: true
@@ -11,7 +11,7 @@ print_page: true
<div class="card-wide" markdown>
# OT82111-VC1
__4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Integrated 2-Channel I2S Slave Interface__
__4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces__
</div>
</div>
@@ -19,23 +19,23 @@ __4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Integrated 2-Channel
### 1.1 Product Description
OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter designed for mobile audio devices, integrating USB OTG interface and 2-channel I²S slave interface functionality. This product is developed based on XMOS high-performance chips, specifically optimized for applications such as streaming sound cards and mobile audio interfaces.
The OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter designed specifically for mobile audio devices, integrating USB OTG interface and dual I²S slave interface functionality. This product is developed based on XMOS high-performance chips and is optimized for applications such as live streaming sound cards and mobile audio interfaces.
- The product features built-in high-precision 2 independent dual-channel ASRC sample rate converters, supporting conversion between 44.1kHz~192kHz and 48KHz sampling rates, ensuring seamless audio signal conversion between different sampling rates.
- Through the USB OTG interface, the device can directly connect to smartphones, tablets, and other mobile devices, implementing plug-and-play functionality using UAC2.0 adaptive mode, compatible with various platforms including Windows, Linux, Android, macOS, and iOS.
- The product features excellent audio performance specifications with THD+N less than -130dB and SNR greater than 135dB, providing audio equipment manufacturers with professional-grade audio processing solutions.
- The product features high-precision dual independent stereo ASRC sample rate converters, supporting bidirectional conversion between 44.1kHz~192kHz and 48KHz sample rates, ensuring seamless audio signal conversion across different sample rates.
- Through the USB OTG interface, the device can directly connect to mobile devices such as smartphones and tablets, implementing plug-and-play functionality using UAC2.0 adaptive mode, compatible with Windows, Linux, Android, macOS, iOS, and various other platforms.
- The product delivers outstanding audio performance specifications with THD+N less than -130dB and SNR greater than 135dB, providing audio equipment manufacturers with professional-grade audio processing solutions.
### 1.2 Product Features
**Audio Performance Features**
**Audio Performance Characteristics**
- Exceptional Audio Quality
- THD+N < -130dB, SNR > 135dB
- ASRC supports conversion between 44.1kHz~192kHz and 48KHz
- ASRC supports bidirectional conversion between 44.1kHz~192kHz and 48KHz
- Dynamic range ≥110dB, professional-grade audio performance
- 4-Channel ASRC
- Built-in 2 independent dual-channel ASRC units
- Can simultaneously process 2-channel upstream and 2-channel downstream ASRC conversion
- Built-in dual independent stereo ASRC converters
- Capable of simultaneously processing 2-channel upstream and 2-channel downstream ASRC conversion
- Supports I²S Slave mode audio interface
**USB Interface Features**
@@ -51,24 +51,24 @@ OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
### 1.3 Application Scenarios
- Phone Accompaniment/Streaming
- Plays background music through phone OTG while performing audio processing. Provides low-latency, high-fidelity audio experience
- Mobile Phone Accompaniment/Live Streaming
- Play background music through mobile phone OTG while performing audio processing. Provides low-latency, high-fidelity audio experience
- Car Audio Players
- Phone connects to car audio player USB, playing songs through car audio player
- Vehicle Audio Players
- Connect mobile phone to vehicle audio player USB to play music through the vehicle audio system
### 1.4 Product Block Diagram
### 1.4 Product Functional Block Diagram
<figure markdown="span">
![OT82111 Diagram](/assets/images/hifi_audio/ot82111_diagram.png "OT82111 Diagram"){width="600"}
<figcaption>Figure 1: OT82111-VC1 Block Diagram</figcaption>
![OT82111 Block Diagram](/assets/images/hifi_audio/ot82111_diagram.png "OT82111 Block Diagram"){width="600"}
<figcaption>Figure 1: OT82111-VC1 Functional Block Diagram</figcaption>
</figure>
### 1.5 Ordering Information
| PRODUCT MODEL | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Hardware Model | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|:------------|
| OT82111 | OT82111-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | 4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Integrated 2-Channel I2S Slave Interface |
| OT82111 | OT82111-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | 4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Dual I2S Slave Interfaces |
## 2. Modes and Specifications
@@ -76,7 +76,7 @@ OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
| Mode Number | Input/Output Mode | Description |
|:--------:|:------------------------|:------------------------|
| 1 | USB(UAC2.0) ←→I²S(SLAVE) | Supports USB and I²S(Slave) bidirectional data input/output with internal ASRC conversion |
| 1 | USB(UAC2.0) ←→I²S(SLAVE) | Supports bidirectional data input/output between USB and I²S(Slave) with internal ASRC conversion |
### 2.2 Detailed Parameters for Each Operating Mode
@@ -88,13 +88,13 @@ OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
|:---------|:-------------|:-------------|
| **Interface** | USB Audio Class 2.0 | I²S(Slave) |
| **Audio Format** | PCM | PCM |
| **Sampling Rate** | Fixed 48kHz | 44.1kHz~192kHz |
| **Sample Rate** | Fixed 48kHz | 44.1kHz~192kHz |
| **Bit Depth** | Fixed 24bit | Fixed 32bit |
**Clock Characteristics:**
* I²S interface operates in Slave mode, requires external BCLK and LRCK signals
* Supports 44.1kHz and 48kHz series sampling rates (i.e., 44.1kHz, 88.2kHz, 176.4kHz and 48kHz, 96kHz, 192kHz)
* I²S interface operates in Slave mode, requiring external BCLK and LRCK signals
* Supports 44.1kHz and 48kHz series sample rates (i.e., 44.1kHz, 88.2kHz, 176.4kHz and 48kHz, 96kHz, 192kHz)
* Supports automatic clock detection and matching
**Audio Performance Specifications:**
@@ -108,7 +108,7 @@ OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
<figure markdown="span">
![OT82111-VC1 Pin Diagram](/assets/images/hifi_audio/a316_pin.png "OT82111-VC1 Pin Diagram"){width=400}
<figcaption>Figure 2: OT82111-VC1 Pin Layout Diagram</figcaption>
<figcaption>Figure 2: OT82111-VC1 Pin Arrangement Diagram</figcaption>
</figure>
### 3.2 OT82111-VC1 Pin Description
@@ -129,7 +129,7 @@ OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
| 12 | X0D37 | I/O | I²S_IN_DATA0(SLAVE) |
| 13 | X0D38 | O | I²S_OUT_DATA0(SLAVE) |
| 14 | X0D40 | I/O | NC |
| 15 | X0D39 | I | XU316 clock input, connected to X1D11 |
| 15 | X0D39 | I | XU316 clock input, connect to X1D11 |
| 16 | X0D42 | I/O | NC |
| 17 | X0D41 | I/O | NC |
| 18 | X0D43 | I/O | NC |
@@ -149,7 +149,7 @@ OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
| 32 | GND | P | Module ground |
| 33 | X1D09 | I/O | NC |
| 34 | X1D10 | I/O | NC |
| 35 | X1D11 | I/O | XU316 internal clock output, connected to X0D39 |
| 35 | X1D11 | I/O | XU316 internal clock output, connect to X0D39 |
| 36 | GND | P | Module ground |
| 37 | GND | P | Module ground |
| 38 | TDI | I/O | XTAG debug PIN |
@@ -169,7 +169,7 @@ OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
| 52 | GND | P | Module ground |
!!! info "Pin Type Description"
I/O type definitions in table: I=Input, O=Output, P=Power, I/O=Input/Output
I/O type definitions in the table: I=Input, O=Output, P=Power, I/O=Input/Output
## 4. Hardware Parameters
@@ -191,9 +191,9 @@ OT82111-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
## 6. Revision History
| Version | Date | Description | Reviser |
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-05-14 | Initial version release | |
| V1.0 | 2025-05-14 | Initial release | |
| V1.1 | 2025-08-10 | Revision | |
| | | | |
## 7. Inquiry and Feedback

42
en/docs/dev_doc/datasheet/std_product/usb_otg/ot83211_vc1.md
View File

@@ -1,6 +1,6 @@
---
title: OT83211-VC1 4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Integrated 2-Channel I2S Slave Interface
description: OT83211-VC1 4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Integrated 2-Channel I2S Slave Interface Technical Documentation
title: OT83211-VC1 4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Dual I2S Slave Interfaces
description: OT83211-VC1 4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Dual I2S Slave Interfaces Technical Documentation
author: Technical Documentation Department
date: 2025-05-14
print_page: true
@@ -12,7 +12,7 @@ print_page: true
<div class="card-wide" markdown>
# OT83211-VC1
__4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Integrated 2-Channel I2S Slave Interface__
__4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Dual I2S Slave Interfaces__
</div>
</div>
@@ -20,11 +20,11 @@ __4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Integrated
### 1.1 Product Description
OT83211-VC1 is a high-performance 4-channel ASRC audio sample rate converter designed for mobile audio devices, integrating USB OTG interface and 2-channel I²S slave interface functionality. This product is developed based on XMOS high-performance chips, specifically optimized for applications such as streaming sound cards and mobile audio interfaces.
OT83211-VC1 is a high-performance 4-channel ASRC audio sample rate converter designed for mobile audio devices, integrating USB OTG interface and dual I²S slave interface functionality. Based on XMOS high-performance chips, this product is specifically optimized for applications such as live streaming sound cards and mobile audio interfaces.
- The product features built-in high-precision 2 independent dual-channel ASRC sample rate converters, supporting conversion between 44.1kHz~192kHz sampling rates, ensuring seamless audio signal conversion between different sampling rates.
- Through the USB OTG interface, the device can directly connect to smartphones, tablets, and other mobile devices, implementing plug-and-play functionality using UAC 2.0, compatible with various platforms including Windows, Linux, Android, macOS, and iOS.
- The product features excellent audio performance specifications with THD+N less than -130dB and SNR greater than 135dB, providing audio equipment manufacturers with professional-grade audio processing solutions.
- The product features two built-in high-precision independent dual-channel ASRC sample rate converters, supporting sample rate conversion between 44.1kHz~192kHz, ensuring seamless audio signal conversion between different sample rates.
- Through the USB OTG interface, the device can connect directly to smartphones, tablets, and other mobile devices, utilizing UAC 2.0 for plug-and-play functionality, compatible with Windows, Linux, Android, macOS, iOS and various platforms.
- The product delivers outstanding audio performance specifications with THD+N less than -130dB and SNR greater than 135dB, providing audio equipment manufacturers with professional-grade audio processing solutions.
### 1.2 Product Features
@@ -35,7 +35,7 @@ OT83211-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
- ASRC supports conversion between 44.1kHz~192kHz
- Dynamic range ≥110dB, professional-grade audio performance
- 4-Channel ASRC
- Built-in 2 independent dual-channel ASRC units
- Built-in 2 independent dual-channel ASRC
- Can simultaneously process 2-channel upstream and 2-channel downstream ASRC conversion
- Supports I²S Slave mode audio interface
@@ -52,24 +52,24 @@ OT83211-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
### 1.3 Application Scenarios
- Phone Accompaniment/Streaming
- Plays background music through phone OTG while performing audio processing. Provides low-latency, high-fidelity audio experience
- Mobile Phone Accompaniment/Live Streaming
- Play background music through phone OTG while performing audio processing. Provides low-latency, high-fidelity audio experience
- Car Audio Players
- Phone connects to car audio player USB, playing songs through car audio player
- Connect phone to car audio player via USB and play music through the car audio system
### 1.4 Product Block Diagram
### 1.4 Product Function Block Diagram
<figure markdown="span">
![OT83211 Diagram](/assets/images/hifi_audio/ot83211_diagram.png "OT83211 Diagram"){width="600"}
<figcaption>Figure 1: OT83211-VC1 Block Diagram</figcaption>
![OT83211 Block Diagram](/assets/images/hifi_audio/ot83211_diagram.png "OT83211 Block Diagram"){width="600"}
<figcaption>Figure 1: OT83211-VC1 Function Block Diagram</figcaption>
</figure>
### 1.5 Ordering Information
| PRODUCT MODEL | ORDERING NUMBER | PACKAGE BODY | SIZE (NOM) | Hardware Model | Comments |
|:--------|:----------------|:-------------|:-----------|:------------|:------------|
| OT83211 | OT83211-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | 4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Integrated 2-Channel I2S Slave Interface |
| OT83211 | OT83211-VC1 | SMT LGA-52 | 13x13mm | A316-Mini-V1 | 4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Dual I2S Slave Interfaces |
## 2. Modes and Specifications
@@ -77,7 +77,7 @@ OT83211-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
| Mode Number | Input/Output Mode | Description |
|:--------:|:------------------------|:------------------------|
| 1 | USB(UAC2.0) ←→I²S(SLAVE) | Supports USB and I²S(Slave) bidirectional data input/output with internal ASRC conversion |
| 1 | USB(UAC2.0) ←→I²S(SLAVE) | Supports bidirectional data input/output between USB and I²S(Slave) with internal ASRC conversion |
### 2.2 Detailed Parameters for Each Operating Mode
@@ -89,13 +89,13 @@ OT83211-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
|:---------|:-------------|:-------------|
| **Interface** | USB Audio Class 2.0 | I²S(Slave) |
| **Audio Format** | PCM | PCM |
| **Sampling Rate** | 44.1kHz~192kHz | 44.1kHz~192kHz |
| **Sample Rate** | 44.1kHz~192kHz | 44.1kHz~192kHz |
| **Bit Depth** | Fixed 24bit | Fixed 32bit |
**Clock Characteristics:**
* I²S interface operates in Slave mode, requires external BCLK and LRCK signals
* Supports 44.1kHz and 48kHz series sampling rates (i.e., 44.1kHz, 88.2kHz, 176.4kHz and 48kHz, 96kHz, 192kHz)
* I²S interface operates in Slave mode, requiring external BCLK and LRCK signals
* Supports 44.1kHz and 48kHz series sample rates (i.e., 44.1kHz, 88.2kHz, 176.4kHz and 48kHz, 96kHz, 192kHz)
* Supports automatic clock detection and matching
**Audio Performance Specifications:**
@@ -170,7 +170,7 @@ OT83211-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
| 52 | GND | P | Module ground |
!!! info "Pin Type Description"
I/O type definitions in table: I=Input, O=Output, P=Power, I/O=Input/Output
I/O type definitions in the table: I=Input, O=Output, P=Power, I/O=Input/Output
## 4. Hardware Parameters
@@ -192,7 +192,7 @@ OT83211-VC1 is a high-performance 4-channel ASRC audio sample rate converter des
## 6. Revision History
| Version | Date | Description | Reviser |
| Version | Date | Description | Revised By |
|:------|:-------------|:---------------------------------------|:-------------|
| V1.0 | 2025-08-10 | Initial version release | |
| | | | |