程式:
#include<reg52.h>
sbit LED = P0^0; //使用P0.0口的LED燈
sbit ADDR0 = P1^0;
sbit ADDR1 = P1^1;
sbit ADDR2 = P1^2;
sbit ADDR3 = P1^3;
sbit ENLED = P1^4;
void main()
{
ENLED = 0;
ADDR3 = 1;
ADDR2 = 1;
ADDR1 = 1;
ADDR0 = 0;
LED = 0;
while(1);
}

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標籤:單片機/工控
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