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问题描述:MCU进入DEEPSLEEP,通过GPIO会唤醒MCU进入RUN状态,由于需要判断是不是GPIO唤醒。进入DEEPSLEEP前将该GPIO脚设置了中断(如下图) 但是实际上每次上电获取RCU RSSR寄存器 都是POR_BOR位置起来 ,获取中断状态也没有获取到GPIO中断。但是每次GPIO引脚都能唤醒,看起来像是进入DEEPSLEEP前配置的方式不对。还需要设置哪些寄存器才能获取到GPIO唤醒状态?
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