Hi Ti engineer,
TCA9801DGKR用于IIC通信时,从机端回ACK的波形,有小方波,如下图所示,这个小方波如何滤掉?
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您好,麻烦将ACK这里的波形放大看下。
另外附上TCA9801的电路,注意它内部集成电流源,所以在B端SCL和SDA不需要上拉电阻。