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bq76925 从机地址

Other Parts Discussed in Thread: BQ76925

各位工程师大家好

关于bq76925的从机地址。现在我已经能对芯片寄存器写入数据,但是读出数据就有问题。

过程如下:

我写入的addres =  (I2C_GROUP_ADDR <<3)+(CONFIG2 )   数据=0x01

这个能写成功;

但是读addres =  (I2C_GROUP_ADDR <<3)+(CONFIG2 )  就不应答了,请问是哪 有问题