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zh/docs/dev_doc/a316/Firmware-without-development.md
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zh/docs/dev_doc/a316/Firmware-without-development.md
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title: XMOS 免开发固件发行说明
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status: new
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# XMOS A316 免开发固件发行说明
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--8<-- "common/phaten_xmos_support_img.md"
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## 1、[免开发方案介绍](https://phaten-audio.com/zh/solutions/hifi_audio/chinese-doc/)
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XMOS XU316凭借其独特的多核架构和灵活的软件定义接口,不仅实现了纳秒级超低延时性能,还能同时处理多种数字音频接口和协议,使其在USB HiFi高端解码器领域占据领先地位。然而,这种强大的多核架构也带来了较高的软件开发复杂度,导致客户在实际应用中面临较大的技术门槛,从而延长了产品的开发周期和上市时间。
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针对这一痛点,飞腾云开发了XMOS XU316 USB HiFi解码器免开发方案,帮助客户快速实现产品落地,大幅缩短上市周期。
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## 2、A316-HF-DAC-V1 demo板连线说明
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### USB in-I2S out 模式
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| PIN脚 | 功能描述 | 连接设备 |
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|:------|:---------|:---------|
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| X0D35 | I2S0_SCLK | DAC |
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| X0D36 | I2S0_LRCLK | DAC |
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| X0D38 | I2S0_DATA0 | DAC |
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| X0D39 | I2S_MCLK | DAC |
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| X0D00 | UART_TX | MCU_RX |
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| X0D11 | UART_RX | MCU_TX |
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### Coaxial IN-I2S OUT 模式
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| PIN脚 | 功能描述 | 连接设备 |
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|:------|:---------|:---------|
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| X0D35 | I2S0_SCLK | DAC |
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| X0D36 | I2S0_LRCLK | DAC |
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| X0D38 | I2S0_DATA0 | DAC |
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| X0D39 | I2S_MCLK | DAC |
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| X1D22 | S/PDIF | COAXIAL_IN |
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| X0D00 | UART_TX | MCU_RX |
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| X0D11 | UART_RX | MCU_TX |
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### Optical IN-I2S OUT 模式
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| PIN脚 | 功能描述 | 连接设备 |
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|:------|:---------|:---------|
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| X0D35 | I2S0_SCLK | DAC |
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| X0D36 | I2S0_LRCLK | DAC |
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| X0D38 | I2S0_DATA0 | DAC |
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| X0D39 | I2S_MCLK | DAC |
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| X1D13 | S/PDIF | OPTICAL_IN |
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| X0D00 | UART_TX | MCU_RX |
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| X0D11 | UART_RX | MCU_TX |
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### I2S(slave) in-I2S OUT 模式
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| PIN脚 | 功能描述 | 连接设备 |
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|:------|:---------|:---------|
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| X0D35 | I2S0_SCLK | DAC |
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| X0D36 | I2S0_LRCLK | DAC |
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| X0D38 | I2S0_DATA0 | DAC |
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| X0D39 | I2S_MCLK | DAC |
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| X1D00 | I2S1_LRCLK | SLAVE |
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| X1D01 | I2S1_DATA0 | SLAVE |
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| X1D10 | I2S1_BCLK | SLAVE |
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| X0D00 | UART_TX | MCU_RX |
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| X0D11 | UART_RX | MCU_TX |
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### HDMI ARc IN-I2S OUT 模式
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| PIN脚 | 功能描述 | 连接设备 |
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|:------|:---------|:---------|
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| X0D35 | I2S0_SCLK | DAC |
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| X0D36 | I2S0_LRCLK | DAC |
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| X0D38 | I2S0_DATA0 | DAC |
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| X0D39 | I2S_MCLK | DAC |
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| X1D34 | S/PDIF | HDMI_ARC_IN |
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| X0D00 | UART_TX | MCU_RX |
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| X0D11 | UART_RX | MCU_TX |
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### USB IN-SPDIF OUT 模式
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| PIN脚 | 功能描述 | 连接设备 |
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|:------|:---------|:---------|
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| X1D34 | S/PDIF | OUT |
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| X0D00 | UART_TX | MCU_RX |
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| X0D11 | UART_RX | MCU_TX |
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<!-- {width="700"} -->
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<!-- HOST UART TX <==> XU316 X0D37
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HOST UART RX <==> XU316 X0D31 -->
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<!-- {width="700"} -->
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## 3、其他连接功能连接请参考Portmap图
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[点击查看Portmap大图](../../assets/images/hifi_audio/portmap_gen_firmware_USB.png)
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## 4、功能模式切换
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通过命令字:0x23发送如下命令做相应模式切换
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[串口通信协议参考](https://phaten-audio.com/zh/dev_doc/a316/xu316/)
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| 功能模式 | 功能模式切换指令(Byte1-5组合) |
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| :-------------------- | :---- |
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| USB in-I2S out | 0x0080a90001 |
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| UAC1.0 | 0x0080010002 |
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| Coaxial IN-I2S OUT | 0x0080651003 |
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| Optical IN-I2S OUT | 0x1080651004 |
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| USB IN-SPDIF OUT | 0x2080651005 |
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| I2S(slave) in-I2S OUT | 0x0080c50806 |
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| HDMI ARc IN-I2S OUT | 0x0082d58107 |
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## 5、烧录命令
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1、factory_no_mqa_0.0.5.bin 是工厂固件,需要用如下命令烧写(需配合xtag烧写工具)
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``` sete
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xflash --write-all factory_no_mqa_0.0.5.bin --target-file xu316_qf60.xn
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```
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2、update_no_mqa_0.0.5.bin是dfu固件,需要用驱动的dfu升级工具升级
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## 6、[点击下载固件](../../assets/download/a316-8711-5.1make/A316免开发固件firmware_gen_0.0.5.zip)
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