stc89c58.h

一个用keil 51c实现的单片机系统程序

/* After is STC additional SFR */

/* sfr  AUXR  = 0x8e; */
/* sfr  AUXR1 = 0xa2; */
/* sfr  IPH   = 0xb7; */



/* Above is STC additional SFR */

/*--------------------------------------------------------------------------
REG51F.H

Header file for 8xC31/51, 80C51Fx, 80C51Rx+
Copyright (c) 1988-1999 Keil Elektronik GmbH and Keil Software, Inc.
All rights reserved.

Modification according to DataSheet from April 1999
 - SFR's AUXR and AUXR1 added for 80C51Rx+ derivatives
--------------------------------------------------------------------------*/

/*  BYTE Registers  */


/*  80C51Fx/Rx Extensions  */




/*  P0  */
sfr P0   = 0x80;
sfr P1   = 0x90;
sfr P2   = 0xA0;
sfr P3   = 0xB0;
sfr IE   = 0xA8; 
sbit EA   = IE^7;
sbit EC   = IE^6;
sbit ET2  = IE^5;
sbit ES   = IE^4;
sbit ET1  = IE^3;
sbit EX1  = IE^2;
sbit ET0  = IE^1;
sbit EX0  = IE^0;