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谢谢你的提示！！<br />我也设置了pinsel 如下：<br />还有高速端口，但缺省是低速，所以没设置<br />case 5://stop<br /> PINSEL0=0x0;<br /> PINSEL1=1<<14 ;<br /> PINSEL2=0x0 ;<br /> IO0DIR=0x607fffff;<br /> IO1DIR=0xffffffff;<br /> IO0CLR=0x607fffff;<br /> IO1CLR=0xffff0000;<br /> sprintf(DisplayStr[3],"all port 0 + PIN");<br /> break;<br />case 6://reset<br /> PINSEL0=0x0;<br /> PINSEL1=1<<14 ;<br /> PINSEL2=0x0 ;<br /> IO0DIR=~(0x607fffff);<br /> IO1DIR=0x0;<br /> Pt0=IO0SET;<br /> Pt1=IO1SET;<br /> sprintf(DisplayStr[3],"%08x 1=%04x ",Pt0,Pt1>>16);
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