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feat:add rock5a hardware revision history
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# 硬件改版记录 | ||
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### CM5 X2.0: | ||
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- 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 | ||
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### CM5 X2.1: | ||
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- 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 | ||
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### CM5 V2.2: | ||
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- 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; | ||
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### CM5 V2.21: | ||
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- 在HDMI的4组信号线上串联220nF电容,以支持RPI的HDMI. |
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