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BQ76952 I2C调试问题描述:
发送设备地址0x10后，有时候接收不到bq76952的应答信号，有时候能接收到。
当设备地址有应答时，8个时钟波形正常，当没有应答时，前五个时钟波形比后面三个要低。数据波形会有齿状杂波。I2C时钟频率400k和100k都试过，问题一样，各个时间段也和芯片手册对应上了。
后来把I2C隔离芯片去掉，直接连上BQ76952的I2C，还是一样的状况。
您好，您可以参考下面帖子的内容，希望对您有帮助。
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1012307/bq76952-communication-between-stm32-and-bq76952-fails?tisearch=e2e-sitesearch&keymatch=BQ76952%252520I2C#
