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@xls 休眠后PMU还在正常工作，可以将GPIO配到PMU上来控制：pmu_set_pin_mux (GPIO_PORT_ C, GPIO_PIN_4, PMU_PIN_FUNC_GPIO) ;pmu set pin to PMU (GPIO PORT C, GPIO PIN 4);pmu set pin pull (GPIO PORT C, GPIO PIN 4, GPIo PULL NONE) ;pmu_set_pin_dir (GPIO_PORT_C, GPIO_PIN_4, GPIO_DIR_IN) ;