大家好!我用单片机模拟IIC与BQ4050SMBUS通信,写地址0X16 有ACK信号但是发送0X0D寄存器地址无ACK信号,通信频率45KHZ 。
各们帮忙分析一下原因。外部有接10K 上接 MCU供电是3.3V
图1 0x0d波形
图2 0X16波形
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