phaten-audio/en/docs/dev_doc/hifi_audio/a316_1926v1/RTL8711model.md

# RTL8711DCM Module Design Guide

### 1. Wireless Audio Module Control Introduction
(1) Wireless 2.1 Audio Module Control Diagram
![Image](../../assets/images/speaker/11-08/model/m-1.PNG)
(2) Wireless 5.1 Audio Module Control Diagram
![Image](../../assets/images/speaker/11-08/model/m-2.PNG)
(3) Wireless 7.1.2 Audio Module Control Diagram
![Image](../../assets/images/speaker/11-08/model/m-3.PNG)

### 2. RTL8711DCM Module PIN Diagram
![Image](../../assets/images/speaker/11-08/model/m-4.PNG)

### 3. RTL8711DCM Module Hardware Circuit Control Diagram

#### (1) RTL8711DCM Module (TX) **I2S Hardware Control Diagram**

![Image](../../assets/images/speaker/11-08/model/m-5.png)

##### 1) DSP and RTL8711DCM Module (TX) Stereo I2S Wiring Instructions
```note
   I2S signal lines required when DSP operates as Slave:

   I2S_BCLK, I2S_LRCLK, I2S_DATA0, I2S_DATA1, GND
```
```note
  I2S signal lines required when DSP operates as Master:

  I2S_MCLK, I2S_BCLK, I2S_LRCLK, I2S_DATA0, I2S_DATA1, GND
```



##### 2) DSP and RTL8711DCM Module (TX) 5.1 Channel I2S Wiring Instructions

```note
  I2S signal lines required when DSP operates as Slave:

  I2S_BCLK, I2S_LRCLK, I2S_DATA0, I2S_DATA1, I2S_DATA2, GND
```

```note
 I2S signal lines required when DSP operates as Master:

 I2S_MCLK, I2S_BCLK, I2S_LRCLK, I2S_DATA0, I2S_DATA1, I2S_DATA2, GND
```


##### 3) DSP and Wireless Audio RTL8711DCM Module (TX) 7.1.2 Channel I2S Wiring Instructions

```note
 I2S signal lines required when DSP operates as Slave:

 I2S_BCLK, I2S_LRCLK, I2S_DATA0, I2S_DATA1, I2S_DATA2, I2S_DATA3,
 I2S_EX_LRCLK, I2S_EX_BCLK, I2S_EX_DATA0, GND
```
```note
 I2S signal lines required when DSP operates as Master:

 I2S_MCLK, I2S_BCLK, I2S_LRCLK, I2S_DATA0, I2S_DATA1, I2S_DATA2, I2S_DATA3,
 I2S_EX_LRCLK, I2S_EX_BCLK, I2S_EX_DATA0, GND
```


#### (2) RTL8711DCM Module (TX) Hardware **TDM Control Diagram**
![Image](../../assets/images/speaker/11-08/model/m-tdm.png)
##### 1) DSP and RTL8711DCM Module (TX) Stereo I2S Wiring Instructions
```note
   I2S signal lines required when DSP operates as Slave:

   I2S_BCLK, I2S_LRCLK, I2S_DATA0, GND
```
```note
  I2S signal lines required when DSP operates as Master:

  I2S_MCLK, I2S_BCLK, I2S_LRCLK, I2S_DATA0, GND
```



##### 2) DSP and RTL8711DCM Module (TX) 5.1 Channel I2S Wiring Instructions

```note
  I2S signal lines required when DSP operates as Slave:

  I2S_BCLK, I2S_LRCLK, I2S_DATA0, GND
```

```note
 I2S signal lines required when DSP operates as Master:

 I2S_MCLK, I2S_BCLK, I2S_LRCLK, I2S_DATA0, GND
```


##### 3) DSP and Wireless Audio RTL8711DCM Module (TX) 7.1.2 Channel I2S Wiring Instructions

```note
 I2S signal lines required when DSP operates as Slave:

 I2S_BCLK, I2S_LRCLK, I2S_DATA0, I2S_EX_LRCLK,
 I2S_EX_BCLK, I2S_EX_DATA0, GND
```
```note
 I2S signal lines required when DSP operates as Master:

 I2S_MCLK, I2S_BCLK, I2S_LRCLK, I2S_DATA0,
 I2S_EX_LRCLK, I2S_EX_BCLK, I2S_EX_DATA0, GND
```

[//]: # (#### (3) RTL8711DCM Module (TX) Hardware **uart Control Diagram**)

[//]: # (![Image](../../assets/images/speaker/11-08/model/m-uart.png))

#### (3) RTL8711DCM Module (RX) Hardware Control Diagram
![Image](../../assets/images/speaker/11-08/model/m-6.png)