/usr/share/sdcc/include/mcs51/p89v51rd2.h is in sdcc-libraries 2.9.0-5.
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Register Declarations for the Philips P89V51RD2 Processor
Written By - Jesus Calvino-Fraga / jesusc at ece.ubc.ca (June 2005)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
#ifndef REG_P89V51RD2_H
#define REG_P89V51RD2_H
#include <8052.h> // Load definitions for the 8052
#ifdef REG8052_H
#undef REG8052_H
#endif
// Define P89V51RD2 specific registers only
__sfr __at (0x8E) AUXR; //Auxiliary function register (Reset value 0x00).
#define EXTRAM 0x02 //'0'=uses internal XRAM.
#define AO 0x01 //'1'=Disables ALE generation.
__sfr __at (0xA2) AUXR1; //Auxiliary function register 1 (Reset value 0x00).
#define GF2 0x08 //General purpose user-defined flag.
#define DPS 0x01 //Data pointer select.
__sfr __at (0xFA) CCAP0H; //Module 0 Capture HIGH.
__sfr __at (0xFB) CCAP1H; //Module 1 Capture HIGH.
__sfr __at (0xFC) CCAP2H; //Module 2 Capture HIGH.
__sfr __at (0xFD) CCAP3H; //Module 3 Capture HIGH.
__sfr __at (0xFE) CCAP4H; //Module 4 Capture HIGH.
__sfr __at (0xEA) CCAP0L; //Module 0 Capture LOW.
__sfr __at (0xEB) CCAP1L; //Module 1 Capture LOW.
__sfr __at (0xEC) CCAP2L; //Module 2 Capture LOW.
__sfr __at (0xED) CCAP3L; //Module 3 Capture LOW.
__sfr __at (0xEE) CCAP4L; //Module 4 Capture LOW.
__sfr __at (0xDA) CCAPM0; //Module 0 Mode.
__sfr __at (0xDB) CCAPM1; //Module 1 Mode.
__sfr __at (0xDC) CCAPM2; //Module 2 Mode.
__sfr __at (0xDD) CCAPM3; //Module 3 Mode.
__sfr __at (0xDE) CCAPM4; //Module 4 Mode.
//The preceding five registers have the following bits:
#define ECOM 0x40 //Enable Comparator.
#define CAPP 0x20 //1=enables positive edge capture.
#define CAPN 0x10 //1=enables negative edge capture.
#define MAT 0x08 //When counter matches sets CCF_n bit causing and interrupt.
#define TOG 0x04 //Toggle output on match.
#define PWM 0x02 //Pulse width modulation mode.
#define ECCF 0x01 //Enable CCF interrupt.
__sfr __at (0xD8) CCON; //PCA Counter Control (Reset value 0x00)
__sbit __at (0xDF) CF; //PCA Counter overflow flag.
__sbit __at (0xDE) CR ; //PCA Counter Run Control Bit. 1=counter on. 0=counter off.
__sbit __at (0xDC) CCF4;//PCA Module 4 Interrupt Flag.
__sbit __at (0xDB) CCF3;//PCA Module 3 Interrupt Flag.
__sbit __at (0xDA) CCF2;//PCA Module 2 Interrupt Flag.
__sbit __at (0xD9) CCF1;//PCA Module 1 Interrupt Flag.
__sbit __at (0xD8) CCF0;//PCA Module 0 Interrupt Flag.
__sfr __at (0xF9) CH; //PCA Counter HIGH.
__sfr __at (0xE9) CL; //PCA Counter LOW.
__sfr __at (0xD9) CMOD; //PCA Counter Mode.
#define CIDL 0x80 //CIDL=0 program the PCA counter to work during idle mode.
#define WDTE 0x40 //Watchdog Timer Enable.
#define CPS1 0x04 //PCA Count Pulse Select bit 1.
#define CPS0 0x02 //PCA Count Pulse Select bit 0.
//00=Internal clock, Fosc/6
//01=Internal clock, Fosc/6
//10=Timer 0 overflow
//11=External clock at ECI/P1.2 pin (max rate=Fosc/4)
#define ECF 0x01 //PCA Enable Counter Overflow Interrupt.
__sfr __at (0xB6) FST; //Flash Status Register.
#define SB 0x40
#define EDC 0x08
__sfr __at (0xB1) FCF; //Flash program memory bank selection.
#define SWR 0x02
#define BSEL 0x01
//Attention IEN0 is the same as register IE found in <8051.h> only bit EC added here.
__sfr __at (0xA8) IEN0; //Interrupt Enable 1.
__sbit __at (0xAE) EC; //PCA Interrupt Enable bit.
__sfr __at (0xE8) IEN1; //Interrupt Enable 1
__sbit __at (0xEB) EBO; //Brown-out Interrupt Enable. (Vector is 0x00b4).
//Attention IP0 is the same as register IP found in <8051.h> only bit PPC added here.
__sfr __at (0xB8) IP0; //Interrupt Priority 0 HIGH.
__sbit __at (0xBE) PPC; //PCA Interrupt Priority low bit.
__sfr __at (0xB7) IP0H; //Interrupt Priority 0 HIGH
#define PPCH 0x40 //PCA Interrupt Priority High Bit.
#define PT2H 0x20 //Timer 2 Interrupt Interrupt Priority High Bit.
#define PSH 0x10 //Serial Port Interrupt Priority High Bit.
#define PT1H 0x08 //Timer 1 Interrupt Priority High Bit.
#define PX1H 0x04 //External Interrupt 1 Priority High Bit.
#define PT0H 0x02 //Timer 0 Interrupt Priority High Bit.
#define PX0H 0x01 //External Interrupt 0 Priority High Bit.
__sfr __at (0xF8) IP1; //Interrupt Priority 1.
__sbit __at (0xFB) PBO; //Brown-out Interrupt Priority Bit.
__sfr __at (0xF7) IP1H; //Interrupt Priority 1 HIGH.
#define PBOH 0x08 //Brown-out Interrupt Priority High Bit.
__sfr __at (0xA9) SADDR; //Serial Port Address Register.
__sfr __at (0xB9) SADEN; //Serial Port Address Enable.
__sfr __at (0xD5) SPCR; //SPI Control Register (Reset value 00000000B).
__sfr __at (0xD5) SPCTL; //SPI Control Register (This name appears also in the datasheet).
#define SPIE 0x80 //If both SPIE and ES are set to one, SPI interrupts are enabled.
#define SPEN 0x40 //SPI enable bit. When set enables SPI.
#define SPE 0x40 //Same as above. This name appears also in the manual :-(
#define DORD 0x20 //Data trans. order. 0=MSB first; 1=LSB first.
#define MSTR 0x10 //1=master mode. 0=slave mode.
#define CPOL 0x08 //1=SCK is high when idle (active low), 0=SCK is low when idle (active high).
#define CPHA 0x04 //1=shift triggered on the trailing edge of SCK. 0=shift trig. on leading edge.
#define SPR1 0x02 //SPI Clork Rate select bit 1.
#define SPR0 0x01 //SPI Clork Rate select bit 0.
//00 = Fosc/4
//01 = Fosc/16
//10 = Fosc/64
//11 = Fosc/128
__sfr __at (0xAA) SPSR; //SPI Configuration Register (Reset value 00000000B).
__sfr __at (0xAA) SPCFG; //SPI Configuration Register (This name appears also in the datasheet).
#define SPIF 0x80 //SPI interrupt flag.
#define SPWCOL 0x40 //Write collision Flag.
__sfr __at (0x86) SPDR; //SPI Data
__sfr __at (0x86) SPDAT; //SPI Data (This name appears also in the datasheet).
__sfr __at (0xC0) WDTC; //Watchdog Timer Control (Reset value 0x00).
#define WDOUT 0x10 //Watchdog output enable.
#define WDRE 0x08 //Watchdog timer reset enable.
#define WDTS 0x04 //Watchdog timer reset flag.
#define WDT 0x02 //Watchdog timer refresh.
#define SWDT 0x01 //Start watchdog timer.
__sfr __at (0x85) WDTD; //Watchdog Timer Data/Reload.
__sfr __at (0xC9) T2MOD; //Timer 2 mode control
#define DCEN 0x01 //Down count enable bit
#define T2OE 0x02 //Timer 2 Output Enable bit.
#define ENT2 0x20 //No description???
#endif /*REG_P89V51RD2_H*/
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