This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
我最近用单片通过SMBUS去读BQ4050寄存器里的值，但是开始写DeviceAddr时，BQ4050就回复NACK，如下图：
但是如果用TI官方的工具EV2400去读写时，却是正确的。
