INT0中断控制LED51单片机PROTEUS仿真-25.rar

#include <reg52.h> #define uchar unsigned char #define uint unsigned int sbit LED = P0^0; void mian() { LED = 1; EA =1; EX0 = 1; TCON = 0x01; while(1); } void External_Interrupt_0() interrupt 0 { LED = ~LED; }