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您好,如果只在power up时发生CRC error并且清除后并未再发生error,这个现象应该是正常的:
DS90UB953-Q1: BIST error and CRC error - Interface forum - Interface - TI E2E support forums
另外,插拔HDMI 线的话,可以使用中断INTB功能,配置0XC6 bit0和0x54 bit 6, 告知Soc HDMI 已经发生中断。