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关于BQ40Z50 通信问题,设备地址能收到ack,但是com收不到ack

Other Parts Discussed in Thread: BQSTUDIO

时钟频率试过10k,20k,40k,50k,但是都是只有 发送设备地址 0x16可以收到ack,但是写入0x23命令收不到ack,求大神帮忙看下