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@zxy 不是这么搞的，兄弟，需要单独配置外部中断唤醒源，一会发你
@zr 好的哥！！
@zxy 我刚仔细看了下你这么配置也没问题，我分析了下大致的原因就是休眠的时候IO走的是pmu，pmu的时钟是内部的rc时钟，速度比较慢，串口为921600的时候，速度很快，io电平反转可能采不到 建议多发几个字节吧，或者降低下串口的速率
