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调试F28M35碰到的问题



1.仿真M3的时候,M3的1个IO显示周期200ms(100ms翻转一次),C28没有跑起来(通过示波器挂C28的1个IO,无波形),退出仿真后再上电,M3的IO显示周期200ms,C28的IO显示周期950ms.

2.仿真C28的时候,C28的IO显示周期420ms,M3的IO显示周期400ms,退出仿真后再上电,C28的IO显示周期950ms,M3的IO显示周期200ms.

不知道我表达清楚没有,情况就是这样子,专家帮我分析下怎么跑的周期都不一样?