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大家好，请问am4379管脚内部是弱上拉和下拉么？是否有推挽、开漏这些方式？
一般都是弱上下拉。可以根据漏电流算出内部上下拉阻值。
可以支持开漏方式。
datasheet上有说明， 管脚的default状态。
