呵呵,这样应该可以
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#include <AT89X51.h><br /><br />sbit p1_0 =P1^0;<br />sbit p1_1 =P1^1;<br /><br />void main(void)<br />{<br /> unsigned int a;<br /> unsigned char b;<br /> do <br /> {<br /> <br /> p1_0 = 0;<br /> for (a=0;a<65535;a++)<br /> p1_0 = 1;<br /> for (a=0;a<30000;a++) ; <br /> p1_1 = 0;<br /> for (b=0;b<255;b++)<br /> p1_1 = 1;<br /> for (a=0;a<30000;a++) ; <br /> <br /> }while(1);<br />}<br />
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