92 lines
1.6 KiB
C
92 lines
1.6 KiB
C
/*--------------------------------------------------------------------------
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REG51.H
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Header file for generic 80C51 and 80C31 microcontroller.
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Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc.
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All rights reserved.
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--------------------------------------------------------------------------*/
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#ifndef __REG51_H__
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#define __REG51_H__
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/* BYTE Register */
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sfr P0 = 0x80;
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sfr P1 = 0x90;
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sfr P2 = 0xA0;
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sfr P3 = 0xB0;
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sfr PSW = 0xD0;
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sfr ACC = 0xE0;
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sfr B = 0xF0;
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sfr SP = 0x81;
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sfr DPL = 0x82;
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sfr DPH = 0x83;
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sfr PCON = 0x87;
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sfr TCON = 0x88;
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sfr TMOD = 0x89;
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sfr TL0 = 0x8A;
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sfr TL1 = 0x8B;
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sfr TH0 = 0x8C;
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sfr TH1 = 0x8D;
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sfr IE = 0xA8;
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sfr IP = 0xB8;
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sfr SCON = 0x98;
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sfr SBUF = 0x99;
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/* BIT Register */
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/* PSW */
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sbit CY = 0xD7;
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sbit AC = 0xD6;
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sbit F0 = 0xD5;
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sbit RS1 = 0xD4;
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sbit RS0 = 0xD3;
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sbit OV = 0xD2;
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sbit P = 0xD0;
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/* TCON */
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sbit TF1 = 0x8F;
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sbit TR1 = 0x8E;
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sbit TF0 = 0x8D;
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sbit TR0 = 0x8C;
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sbit IE1 = 0x8B;
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sbit IT1 = 0x8A;
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sbit IE0 = 0x89;
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sbit IT0 = 0x88;
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/* IE */
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sbit EA = 0xAF;
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sbit ES = 0xAC;
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sbit ET1 = 0xAB;
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sbit EX1 = 0xAA;
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sbit ET0 = 0xA9;
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sbit EX0 = 0xA8;
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/* IP */
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sbit PS = 0xBC;
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sbit PT1 = 0xBB;
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sbit PX1 = 0xBA;
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sbit PT0 = 0xB9;
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sbit PX0 = 0xB8;
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/* P3 */
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sbit RD = 0xB7;
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sbit WR = 0xB6;
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sbit T1 = 0xB5;
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sbit T0 = 0xB4;
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sbit INT1 = 0xB3;
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sbit INT0 = 0xB2;
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sbit TXD = 0xB1;
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sbit RXD = 0xB0;
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/* SCON */
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sbit SM0 = 0x9F;
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sbit SM1 = 0x9E;
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sbit SM2 = 0x9D;
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sbit REN = 0x9C;
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sbit TB8 = 0x9B;
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sbit RB8 = 0x9A;
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sbit TI = 0x99;
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sbit RI = 0x98;
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#endif
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