at89s8252.h

基于单片机AT89c51ed2的CAN通讯

/*--------------------------------------------------------------------------
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__

/****C51 Core SFRs****/
sfr ACC    = 0xE0;
sfr B      = 0xF0;
sfr PSW    = 0xD0;
sfr SP     = 0x81;
sfr DPL    = 0x82;
sfr DPH    = 0x83;


/****System Management SFRs****/
sfr PCON   = 0x87;
sfr AUXR   = 0x8E;
sfr AUXR1  = 0xA2;
sfr CKRL   = 0x97;
sfr CKCKON0 = 0x8F;
sfr CKCKON1 = 0xAF;


/****Interrupt SFRs****/
sfr IEN0  = 0xA8;
sfr IEN1  = 0xB1;
sfr IPH0  = 0xB7;
sfr IPL0  = 0xB8;
sfr IPH1  = 0xB3;
sfr IPL1  = 0xB2;



/****Port SFRs****/
sfr P0    = 0x80;
sfr P1    = 0x90;
sfr P2    = 0xA0;
sfr P3    = 0xB0;
sfr P4    = 0xC0;
sfr P5    = 0xD8;
sfr P5A   = 0xC7;



/****Timers SFRs****/
sfr TCON   = 0x88;
sfr TMOD   = 0x89;
sfr TL0    = 0x8A;
sfr TH0    = 0x8C;
sfr TL1    = 0x8B;
sfr TH1    = 0x8D;
sfr WDTRST = 0xA6;
sfr WDTPRG = 0xA7;
sfr T2CON  = 0xC8;
sfr T2MOD  = 0xC9;
sfr	RCAP2H = 0xCB;
sfr	RCAP2L = 0xCB;
sfr TH2    = 0xCD;
sfr TL2    = 0xCC;



/****Serial Control SFRs****/
sfr SCON   = 0x98;
sfr SBUF   = 0x99;
sfr SADEN  = 0xB9;
sfr SADDR  = 0xA9;
sfr BDRCON = 0x9B;
sfr BRL    = 0x9A;


/****SPI Controller SFRs****/
sfr SPCON  = 0xC3;
sfr SPSTA  = 0xC4;
sfr SPDAT  = 0xC5;


/****Keyboard Interface SFRs****/
sfr KBLS  = 0xC3;
sfr KBE   = 0xC4;
sfr KBF   = 0xC5;


/****EEPROM Data Memory SFRs****/
/****at89C51ED2 only****/
sfr EECON  = 0xD2;





/*
sfr SPSR   = 0xAA;
sfr SPCR   = 0xD5;
sfr SPDR   = 0x86;*/


/****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;

/*  IEN0  */
sbit EA    = IEN0^7;
sbit ET2   = IEN0^5; //8052 only
sbit ES    = IEN0^4;
sbit ET1   = IEN0^3;
sbit EX1   = IEN0^2;
sbit ET0   = IEN0^1;
sbit EX0   = IEN0^0;

/*  IPL0  */
sbit PT2L   = IPL0^5;
sbit PSL    = IPL0^4;
sbit PT1L   = IPL0^3;
sbit PX1L   = IPL0^2;
sbit PT0L   = IPL0^1;
sbit PX0L   = IPL0^0;

/*  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