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1. 实现了正常的读写操作后，这里按照说明将broadcast bit 写为了1，以及将dev address 写为0，但是无法实现广播通讯，是否还需要其他的操作
2.将EXPEN 更改成1后，还是无法指数调光，是否需要其他的操作
您好，
您的设置都正确。请确认通讯时序是否都正确，寄存器确实设置成功。
TPS929120-Q1: Using more than 8 per in system - Power management forum - Power management - TI E2E support forums
