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feat:add rock5a hardware revision history
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peterwang2050 committed Apr 24, 2024
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30 changes: 30 additions & 0 deletions docs/compute-module/cm5/hardware/revisions.md
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# 硬件改版记录

### CM5 X2.0:

- 核心板上增加eMMC配置
- eMMC接口改为SDMMC
- 去掉WIFI_HOST_WAKE_E网络,新增了SD_PWR_ON
- 状态指示LED从底板改到核心板

### CM5 X2.1:

- HDMI_TX0_HPD检测增加分压电阻
- SDMMC_DET_L增加MOS管控制
- 以太网PHY Config电阻更改:R90388改为NC,R90387改为4.7K
- IO板上FAN改为2 PIN 5V电路

### CM5 V2.2:

- HDMI0_TX_ON_H控制的4个MOS管和8个匹配电阻放到核心板上;
- HDMI DDC和CEC信号从IO板移动到核心板,增加电平转换UM3204H;
- 主控芯片兼容RK3588S2设计,增加2个电阻;
- I2C5 :80/82 Pin为满足RPI的3.3V I2C需求,I2C5与I2C7互换位置;

### CM5 V2.21:

- 在HDMI的4组信号线上串联220nF电容,以支持RPI的HDMI.
2 changes: 1 addition & 1 deletion docs/rock5/rock5a/hardware/revisions.md
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| X1.0 | ROCK 5A初始版本,仅供瑞莎内部研发 |
| X1.1 | 首个开发者版本,提供给社区开发者 |
| V1.1 | 首个量产版本,在X1.1基础上有以下改动:<br></br>• 为ROCK 5A增加了一个板卡ID(SARADC_IN5)<br></br>• R1505从NC改为100K<br></br>• R1507从100K改为20K<br></br>• 移除USB和以太网的测试点<br></br>• 丝印改为V1.1 |
| V1.2 | [ROCK 5A V1.2 改版点](https://dl.radxa.com/rock5/5a/docs/hw/5A_V1.2_%e6%94%b9%e7%89%88%e7%82%b9.docx)|
| V1.2 | [ROCK 5A V1.2 改版点](https://dl.radxa.com/rock5/5a/docs/hw/5A_V1.2_%e6%94%b9%e7%89%88%e7%82%b9.docx) |

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