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按如下设置后,关机功耗增80多uA。 注释掉pmu_set_pin_to_PMU(...)这个函数与后面几个pmu相关函数再调用关机函数,功耗大概在3.6uA左右。我需要这个IO口做唤醒功能,请问一下怎么让关机功耗降低到3.6uA呢?