reg51.h

车载显示器

//---------------------------------------------------------------------------
// Terawins Inc. Company Confidential Strictly Private
//
// $Archive: $
// $Revision: 1.0 $
// $Author: joannw $
// $Date: 2002/06/12 $
//
// --------------------------------------------------------------------------
// >>>>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
// --------------------------------------------------------------------------
// Copyright 2001(c) Terawins Inc.
// This is an unpublished work.
// --------------------------------------------------------------------------

#if !defined(__REG51_H__)
#define __REG51_H__

// BYTE Register Definitions
sfr P0    = 0x80;
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 P1    = 0x90;
sfr SCON  = 0x98;
sfr SBUF  = 0x99;
sfr P2    = 0xA0;
sfr IE    = 0xA8;
sfr P3    = 0xB0;
sfr IP    = 0xB8;
sfr PSW   = 0xD0;
sfr ACC   = 0xE0;
sfr B     = 0xF0;


//  Special Function bit addresses
//  TCON
sbit TF1  = 0x8F;
sbit TR1  = 0x8E;
sbit TF0  = 0x8D;
sbit TR0  = 0x8C;
sbit IE1  = 0x8B;
sbit IT1  = 0x8A;
sbit IE0  = 0x89;
sbit IT0  = 0x88;

/*  SCON  */
sbit SM0  = 0x9F;
sbit SM1  = 0x9E;
sbit SM2  = 0x9D;
sbit REN  = 0x9C;
sbit TB8  = 0x9B;
sbit RB8  = 0x9A;
sbit TI   = 0x99;
sbit RI   = 0x98;

/*  IE   */
sbit EA   = 0xAF;
sbit ES   = 0xAC;
sbit ET1  = 0xAB;
sbit EX1  = 0xAA;
sbit ET0  = 0xA9;
sbit EX0  = 0xA8;

/*  IP   */ 
sbit PS   = 0xBC;
sbit PT1  = 0xBB;
sbit PX1  = 0xBA;
sbit PT0  = 0xB9;
sbit PX0  = 0xB8;

/*  P3  */
sbit RD   = 0xB7;
sbit WR   = 0xB6;
sbit T1   = 0xB5;
sbit T0   = 0xB4;
sbit INT1 = 0xB3;
sbit INT0 = 0xB2;
sbit TXD  = 0xB1;
sbit RXD  = 0xB0;

/*  PSW   */
sbit CY   = 0xD7;
sbit AC   = 0xD6;
sbit F0   = 0xD5;
sbit RS1  = 0xD4;
sbit RS0  = 0xD3;
sbit OV   = 0xD2;
sbit P    = 0xD0;

#endif //  __REG51_H__