我想问个问题,我用MDK设置主频100M,IAR设置主频100M执行同样的语句检测主频,IAR编译的结果比MDK快,这是什么原因? count++; if(count==5000000) { PAout(16)=0; PAout(15)=1; PAout(13)=1; PAout(12)=0; } else if(count==10000000) { PAout(16)=1; PAout(15)=0; PAout(13)=0; PAout(12)=1; count=0; } } |
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