0708.h

有Proteus 7.1电路与LED倒计时C51程序,可以软件仿真C51的程序状态.

#ifndef __0708_H__
#define __0708_H__

/********P1*********/
//sbit Y2 = 0x90;
//sbit Y6 = 0x91;
//sbit Y5 = 0x92;
//sbit Y4 = 0x93;
//sbit Y3 = 0x94;
//sbit Y2 = 0x95;
//sbit Y1 = 0x96;
 sbit Y1 = 0x97;
/********P3*********/
sbit Y10 = 0xB0;
sbit Y11 = 0xB1;
sbit Y12 = 0xB2;
sbit X0  = 0xB3;
sbit X1  = 0xB4;
sbit X2  = 0xB5;
//sbit X14 = 0xB6;
sbit Y0 = 0xB7;
#endif