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可以通过GPIO唤醒
Hibernate controller: Implements the lowest current sleep mode of the chip (hibernate mode), and
consists of the following functions:
– Chip wake-up controller
– RTC counter and RTC-based wakeup
– GPIO monitor and GPIO-based wakeup
– 2 × 32-bit general-purpose direct-battery powered retention register
– Accessible from application processor through SoC-level interconnect
– Manages the PMU and I/Os when core digital is powered off
