#include <AT89X51.h><br />sbit p20=P2^0;<br /><br />void main(void)<br />{<br />unsigned int a;<br />//sbit p20=P2^0;<br />do { <br /> <br />for(a=0;a<500000;a++)<br /> p20=0;<br />for(a=0;a<500000;a++);<br /> p20=1;<br />// for(a=0;a<200000;a++);<br />}<br />while(1);<br />}<br /><br /> |
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