1 /*-------------------------------------------------------------------------
2 p89v51rd2.h - Register Declarations for the Philips P89V51RD2 Processor
4 Copyright (C) 2005, Jesus Calvino-Fraga / jesusc at ece.ubc.ca
6 This library is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this library; see the file COPYING. If not, write to the
18 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
21 As a special exception, if you link this library with other files,
22 some of which are compiled with SDCC, to produce an executable,
23 this library does not by itself cause the resulting executable to
24 be covered by the GNU General Public License. This exception does
25 not however invalidate any other reasons why the executable file
26 might be covered by the GNU General Public License.
27 -------------------------------------------------------------------------*/
30 #ifndef REG_P89V51RD2_H
31 #define REG_P89V51RD2_H
33 #include <8052.h> // Load definitions for the 8052
39 // Define P89V51RD2 specific registers only
41 __sfr
__at (0x8E) AUXR
; //Auxiliary function register (Reset value 0x00).
42 #define EXTRAM 0x02 //'0'=uses internal XRAM.
43 #define AO 0x01 //'1'=Disables ALE generation.
45 __sfr
__at (0xA2) AUXR1
; //Auxiliary function register 1 (Reset value 0x00).
46 #define GF2 0x08 //General purpose user-defined flag.
47 #define DPS 0x01 //Data pointer select.
49 __sfr
__at (0xFA) CCAP0H
; //Module 0 Capture HIGH.
50 __sfr
__at (0xFB) CCAP1H
; //Module 1 Capture HIGH.
51 __sfr
__at (0xFC) CCAP2H
; //Module 2 Capture HIGH.
52 __sfr
__at (0xFD) CCAP3H
; //Module 3 Capture HIGH.
53 __sfr
__at (0xFE) CCAP4H
; //Module 4 Capture HIGH.
54 __sfr
__at (0xEA) CCAP0L
; //Module 0 Capture LOW.
55 __sfr
__at (0xEB) CCAP1L
; //Module 1 Capture LOW.
56 __sfr
__at (0xEC) CCAP2L
; //Module 2 Capture LOW.
57 __sfr
__at (0xED) CCAP3L
; //Module 3 Capture LOW.
58 __sfr
__at (0xEE) CCAP4L
; //Module 4 Capture LOW.
60 __sfr
__at (0xDA) CCAPM0
; //Module 0 Mode.
61 __sfr
__at (0xDB) CCAPM1
; //Module 1 Mode.
62 __sfr
__at (0xDC) CCAPM2
; //Module 2 Mode.
63 __sfr
__at (0xDD) CCAPM3
; //Module 3 Mode.
64 __sfr
__at (0xDE) CCAPM4
; //Module 4 Mode.
65 //The preceding five registers have the following bits:
66 #define ECOM 0x40 //Enable Comparator.
67 #define CAPP 0x20 //1=enables positive edge capture.
68 #define CAPN 0x10 //1=enables negative edge capture.
69 #define MAT 0x08 //When counter matches sets CCF_n bit causing and interrupt.
70 #define TOG 0x04 //Toggle output on match.
71 #define PWM 0x02 //Pulse width modulation mode.
72 #define ECCF 0x01 //Enable CCF interrupt.
74 __sfr
__at (0xD8) CCON
; //PCA Counter Control (Reset value 0x00)
75 __sbit
__at (0xDF) CF
; //PCA Counter overflow flag.
76 __sbit
__at (0xDE) CR
; //PCA Counter Run Control Bit. 1=counter on. 0=counter off.
77 __sbit
__at (0xDC) CCF4
;//PCA Module 4 Interrupt Flag.
78 __sbit
__at (0xDB) CCF3
;//PCA Module 3 Interrupt Flag.
79 __sbit
__at (0xDA) CCF2
;//PCA Module 2 Interrupt Flag.
80 __sbit
__at (0xD9) CCF1
;//PCA Module 1 Interrupt Flag.
81 __sbit
__at (0xD8) CCF0
;//PCA Module 0 Interrupt Flag.
83 __sfr
__at (0xF9) CH
; //PCA Counter HIGH.
84 __sfr
__at (0xE9) CL
; //PCA Counter LOW.
86 __sfr
__at (0xD9) CMOD
; //PCA Counter Mode.
87 #define CIDL 0x80 //CIDL=0 program the PCA counter to work during idle mode.
88 #define WDTE 0x40 //Watchdog Timer Enable.
89 #define CPS1 0x04 //PCA Count Pulse Select bit 1.
90 #define CPS0 0x02 //PCA Count Pulse Select bit 0.
91 //00=Internal clock, Fosc/6
92 //01=Internal clock, Fosc/6
94 //11=External clock at ECI/P1.2 pin (max rate=Fosc/4)
95 #define ECF 0x01 //PCA Enable Counter Overflow Interrupt.
97 __sfr
__at (0xB6) FST
; //Flash Status Register.
101 __sfr
__at (0xB1) FCF
; //Flash program memory bank selection.
105 //Attention IEN0 is the same as register IE found in <8051.h> only bit EC added here.
106 __sfr
__at (0xA8) IEN0
; //Interrupt Enable 1.
107 __sbit
__at (0xAE) EC
; //PCA Interrupt Enable bit.
109 __sfr
__at (0xE8) IEN1
; //Interrupt Enable 1
110 __sbit
__at (0xEB) EBO
; //Brown-out Interrupt Enable. (Vector is 0x00b4).
112 //Attention IP0 is the same as register IP found in <8051.h> only bit PPC added here.
113 __sfr
__at (0xB8) IP0
; //Interrupt Priority 0 HIGH.
114 __sbit
__at (0xBE) PPC
; //PCA Interrupt Priority low bit.
116 __sfr
__at (0xB7) IP0H
; //Interrupt Priority 0 HIGH
117 #define PPCH 0x40 //PCA Interrupt Priority High Bit.
118 #define PT2H 0x20 //Timer 2 Interrupt Interrupt Priority High Bit.
119 #define PSH 0x10 //Serial Port Interrupt Priority High Bit.
120 #define PT1H 0x08 //Timer 1 Interrupt Priority High Bit.
121 #define PX1H 0x04 //External Interrupt 1 Priority High Bit.
122 #define PT0H 0x02 //Timer 0 Interrupt Priority High Bit.
123 #define PX0H 0x01 //External Interrupt 0 Priority High Bit.
125 __sfr
__at (0xF8) IP1
; //Interrupt Priority 1.
126 __sbit
__at (0xFB) PBO
; //Brown-out Interrupt Priority Bit.
128 __sfr
__at (0xF7) IP1H
; //Interrupt Priority 1 HIGH.
129 #define PBOH 0x08 //Brown-out Interrupt Priority High Bit.
131 __sfr
__at (0xA9) SADDR
; //Serial Port Address Register.
132 __sfr
__at (0xB9) SADEN
; //Serial Port Address Enable.
134 __sfr
__at (0xD5) SPCR
; //SPI Control Register (Reset value 00000000B).
135 __sfr
__at (0xD5) SPCTL
; //SPI Control Register (This name appears also in the datasheet).
136 #define SPIE 0x80 //If both SPIE and ES are set to one, SPI interrupts are enabled.
137 #define SPEN 0x40 //SPI enable bit. When set enables SPI.
138 #define SPE 0x40 //Same as above. This name appears also in the manual :-(
139 #define DORD 0x20 //Data trans. order. 0=MSB first; 1=LSB first.
140 #define MSTR 0x10 //1=master mode. 0=slave mode.
141 #define CPOL 0x08 //1=SCK is high when idle (active low), 0=SCK is low when idle (active high).
142 #define CPHA 0x04 //1=shift triggered on the trailing edge of SCK. 0=shift trig. on leading edge.
143 #define SPR1 0x02 //SPI Clork Rate select bit 1.
144 #define SPR0 0x01 //SPI Clork Rate select bit 0.
150 __sfr
__at (0xAA) SPSR
; //SPI Configuration Register (Reset value 00000000B).
151 __sfr
__at (0xAA) SPCFG
; //SPI Configuration Register (This name appears also in the datasheet).
152 #define SPIF 0x80 //SPI interrupt flag.
153 #define SPWCOL 0x40 //Write collision Flag.
155 __sfr
__at (0x86) SPDR
; //SPI Data
156 __sfr
__at (0x86) SPDAT
; //SPI Data (This name appears also in the datasheet).
158 __sfr
__at (0xC0) WDTC
; //Watchdog Timer Control (Reset value 0x00).
159 __sbit
__at (0xC4) WDOUT
;//Watchdog output enable.
160 __sbit
__at (0xC3) WDRE
; //Watchdog timer reset enable.
161 __sbit
__at (0xC2) WDTS
; //Watchdog timer reset flag.
162 __sbit
__at (0xC1) WDT
; //Watchdog timer refresh.
163 __sbit
__at (0xC0) SWDT
; //Start watchdog timer.
165 __sfr
__at (0x85) WDTD
; //Watchdog Timer Data/Reload.
167 __sfr
__at (0xC9) T2MOD
; //Timer 2 mode control
168 #define DCEN 0x01 //Down count enable bit
169 #define T2OE 0x02 //Timer 2 Output Enable bit.
170 #define ENT2 0x20 //No description???
172 #endif /*REG_P89V51RD2_H*/