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tac6424a芯片供电电压是1.8V，某些引脚当设置为输出0时，用万用表测量电压约等于0.6V， 有些是0.4V多，
软件如何控制才能使IO输出0时，电压接近0V？
您好， VCCP电压为多少？可以看下Vol的范围，只要在这个范围内都是正常的。
