頭文件AT89x051.H

/*--------------------------------------------------------------------------
AT89x051.H

Header file for the Atmel 89C1051U, 89C2051, 89C4051.
Copyright (c) 1995-2000 Keil Software, Inc.? All rights reserved.
--------------------------------------------------------------------------*/

#ifndef AT89CX051_HEADER_FILE
#define AT89CX051_HEADER_FILE 1

/*------------------------------------------------
Byte Registers
------------------------------------------------*/
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 IE????? = 0xA8;
sfr P3????? = 0xB0;
sfr IP????? = 0xB8;
sfr PSW???? = 0xD0;
sfr ACC???? = 0xE0;
sfr B?????? = 0xF0;

/*------------------------------------------------
PCON Bit Values
------------------------------------------------*/
#define IDL_??? 0x01
#define STOP_?? 0x02
#define EWT_??? 0x04
#define EPFW_?? 0x08
#define WTR_??? 0x10
#define PFW_??? 0x20
#define POR_??? 0x40
#define SMOD_?? 0x80

/*------------------------------------------------
TCON Bit Registers
------------------------------------------------*/
sbit IT0? = 0x88;
sbit IE0? = 0x89;
sbit IT1? = 0x8A;
sbit IE1? = 0x8B;
sbit TR0? = 0x8C;
sbit TF0? = 0x8D;
sbit TR1? = 0x8E;
sbit TF1? = 0x8F;

/*------------------------------------------------
TMOD Bit Values
------------------------------------------------*/
#define T0_M0_?? 0x01
#define T0_M1_?? 0x02
#define T0_CT_?? 0x04
#define T0_GATE_ 0x08
#define T1_M0_?? 0x10
#define T1_M1_?? 0x20
#define T1_CT_?? 0x40
#define T1_GATE_ 0x80

#define T1_MASK_ 0xF0
#define T0_MASK_ 0x0F

/*------------------------------------------------
P1 Bit Registers
------------------------------------------------*/
sbit P1_0 = 0x90;
sbit P1_1 = 0x91;
sbit P1_2 = 0x92;
sbit P1_3 = 0x93;
sbit P1_4 = 0x94;
sbit P1_5 = 0x95;
sbit P1_6 = 0x96;
sbit P1_7 = 0x97;

sbit AIN0 = 0x90;?????? /* + Analog comparator input */
sbit AIN1 = 0x91;?????? /* - Analog comparator input */

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

/*------------------------------------------------
IE Bit Registers
------------------------------------------------*/
sbit EX0? = 0xA8;?????? /* 1=Enable External interrupt 0 */
sbit ET0? = 0xA9;?????? /* 1=Enable Timer 0 interrupt */
sbit EX1? = 0xAA;?????? /* 1=Enable External interrupt 1 */
sbit ET1? = 0xAB;?????? /* 1=Enable Timer 1 interrupt */
sbit ES?? = 0xAC;?????? /* 1=Enable Serial port interrupt */
sbit ET2? = 0xAD;?????? /* 1=Enable Timer 2 interrupt */

sbit EA?? = 0xAF;?????? /* 0=Disable all interrupts */

/*------------------------------------------------
P3 Bit Registers (Mnemonics & Ports)
------------------------------------------------*/
sbit P3_0 = 0xB0;
sbit P3_1 = 0xB1;
sbit P3_2 = 0xB2;
sbit P3_3 = 0xB3;
sbit P3_4 = 0xB4;
sbit P3_5 = 0xB5;
/* P3_6 Hardwired as AOUT */
sbit P3_7 = 0xB7;

sbit RXD? = 0xB0;?????? /* Serial data input */
sbit TXD? = 0xB1;?????? /* Serial data output */
sbit INT0 = 0xB2;?????? /* External interrupt 0 */
sbit INT1 = 0xB3;?????? /* External interrupt 1 */
sbit T0?? = 0xB4;?????? /* Timer 0 external input */
sbit T1?? = 0xB5;?????? /* Timer 1 external input */
sbit AOUT = 0xB6;?????? /* Analog comparator output */

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

/*------------------------------------------------
PSW Bit Registers
------------------------------------------------*/
sbit P??? = 0xD0;
sbit FL?? = 0xD1;
sbit OV?? = 0xD2;
sbit RS0? = 0xD3;
sbit RS1? = 0xD4;
sbit F0?? = 0xD5;
sbit AC?? = 0xD6;
sbit CY?? = 0xD7;

/*------------------------------------------------
Interrupt Vectors:
Interrupt Address = (Number * 8) + 3
------------------------------------------------*/
#define IE0_VECTOR 0? /* 0x03 External interrupt 0 */
#define TF0_VECTOR 1? /* 0x0B Timer 0 */
#define IE1_VECTOR 2? /* 0x13 External interrupt 1 */
#define TF1_VECTOR 3? /* 0x1B Timer 1 */
#define SIO_VECTOR 4? /* 0x23 Serial port */

/*------------------------------------------------
------------------------------------------------*/
#endif