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BQ40Z50使用IIC总线,通信失败,无应答信号

Other Parts Discussed in Thread: BQ40Z50

本人使用的是STM32F103C8T6

IO口模拟IIC通信,上拉电阻接3.3V

另外这个IIC时序,我读写MPU6050,AT24C02都可以

现在是:

IIC发送器件地址0x16,写操作,收到应答信号

之后发送0x01,0x0d之类的命令,无应答,一直卡死在这里

这是时序没错啊,怎么就收不到应答。

求IT大牛指点一下。