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ARM IO用作控制信号

Expert 2115 points


ARM IO用作控制信号用作一个电源开关的控制信号,即通过IO输出高低电平控制开关的通断,结果ARM重启,而将ARM IO断开,用AVR的一个IO控制,仪器正常,谁遇到过这种情况吗?