keil C51 的头文件
REG52.H
Header file for generic 80C52 and 80C32 microcontroller.
Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc.
All rights reserved.
//--------------------------------------------------------------------------*/
#ifndef __REG52_H__
#define __REG52_H__
// BYTE Registers
sfrP0
= 0x80;
sfr P1
= 0x90;
sfr P2
= 0xA0;
sfr P3
= 0xB0;
sfr PSW
= 0xD0;
sfr ACC
= 0xE0;
sfr B
= 0xF0;
sfr SP
= 0x81;
sfr DPL
= 0x82;
sfr DPH
= 0x83;
sfr PCON
= 0x87;
sfr TCON
= 0x88;
sfr TMOD
= 0x89;
sfr TL0
= 0x8A;
sfr TL1
= 0x8B;
sfr TH0
= 0x8C;
sfr TH1
= 0x8D;
sfr IE
= 0xA8;
sfr IP
= 0xB8;
sfr SCON
= 0x98;
sfr SBUF
= 0x99;
//
8052 Extensions
sfr T2CON
= 0xC8;
sfr RCAP2L = 0xCA;
sfr RCAP2H = 0xCB;
sfr TL2
= 0xCC;
sfr TH2
= 0xCD;
//
BIT Registers
//
PSW
sbit CY
= PSW^7;
sbit AC
= PSW^6;
sbit F0
= PSW^5;
sbit RS1
= PSW^4;
sbit RS0
= PSW^3;
sbit OV
= PSW^2;
sbit P
= PSW^0; //8052 only
//
TCON
sbit TF1
= TCON^7;
sbit TR1
= TCON^6;
sbit TF0
= TCON^5;
sbit TR0
= TCON^4;
sbit IE1
= TCON^3;
sbit IT1
= TCON^2;
sbit IE0
= TCON^1;
sbit IT0
= TCON^0;
//
IE
sbit EA
= IE^7;
sbit ET2
= IE^5; //8052 only
sbit ES
= IE^4;
sbit ET1
= IE^3;
sbit EX1
= IE^2;
sbit ET0
= IE^1;
sbit EX0
= IE^0;
//
IP
sbit PT2
= IP^5;
sbit PS
= IP^4;
sbit PT1
= IP^3;
sbit PX1
= IP^2;
sbit PT0
= IP^1;
sbit PX0
= IP^0;
//
P3
sbit RD
= P3^7;
sbit WR
= P3^6;
sbit T1
= P3^5;
sbit T0
= P3^4;
sbit INT1
= P3^3;
sbit INT0
= P3^2;
sbit TXD
= P3^1;
sbit RXD
= P3^0;
//
SCON
sbit SM0
= SCON^7;
sbit SM1
= SCON^6;
sbit SM2
= SCON^5;
sbit REN
= SCON^4;
sbit TB8
= SCON^3;
sbit RB8
= SCON^2;
sbit TI
= SCON^1;
sbit RI
= SCON^0;
//
P1
sbit T2EX
= P1^1; // 8052 only
sbit T2
= P1^0; // 8052 only
//
T2CON
sbit TF2
= T2CON^7;
sbit EXF2
= T2CON^6;
sbit RCLK
= T2CON^5;
sbit TCLK
= T2CON^4;
sbit EXEN2
= T2CON^3;
sbit TR2
= T2CON^2;
sbit C_T2
= T2CON^1;
sbit CP_RL2 = T2CON^0;
#endif
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