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AM3703断上电后,系统启动不了

Other Parts Discussed in Thread: AM3703, TPS65920

STM8负责AM3703 3.3V供电,AM3703跑WinCE,运行程序与PC机交互,上位机软件发指令给AM3703,后者通过串口将命令传输给STM8,STM8对AM3703进行断上电操作,现在的问题是进行断上电操作后,WinCE启动不了了。