/*------------------------------------------------------------------------- reg764 - register Declarations for 87C764 Copyright (C) 2005, Robert Lacoste based upon reg51.h written by Sandeep Dutta Registers are taken from the Phillips Semiconductor This library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this library; see the file COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. As a special exception, if you link this library with other files, some of which are compiled with SDCC, to produce an executable, this library does not by itself cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License. -------------------------------------------------------------------------*/ #ifndef REGC764_H #define REGC764_H /* Special Function Registers */ __sfr __at 0x80 P0 ; // Port 0 __sfr __at 0x81 SP ; // Stack Pointer __sfr __at 0x82 DPL ; // Data Pointer Low __sfr __at 0x83 DPH ; // Data Pointer High __sfr __at 0x84 P0M1 ; // Port 0 output mode 1 __sfr __at 0x85 P0M2 ; // Port 0 output mode 2 __sfr __at 0x86 KBI ; // Keyboard interrupt __sfr __at 0x87 PCON ; // Power Control __sfr __at 0x88 TCON ; // Timer Control __sfr __at 0x89 TMOD ; // Timer Mode __sfr __at 0x8A TL0 ; // Timer Low 0 __sfr __at 0x8B TL1 ; // Timer Low 1 __sfr __at 0x8C TH0 ; // Timer High 0 __sfr __at 0x8D TH1 ; // Timer High 1 __sfr __at 0x90 P1 ; // Port 1 __sfr __at 0x91 P1M1 ; // Port 1 output mode 1 __sfr __at 0x92 P1M2 ; // Port 1 output mode 2 __sfr __at 0x95 DIVM ; // CPU clock divide by N control __sfr __at 0x98 SCON ; // Serial Control __sfr __at 0x99 SBUF ; // Serial Data Buffer __sfr __at 0xA0 P2 ; // Port 2 __sfr __at 0xA2 AUXR1 ; // Auxilliary 1 (not available on 80C51FA/87C51Fx) __sfr __at 0xA4 P2M1 ; // Port 2 output mode 1 __sfr __at 0xA5 P2M2 ; // Port 2 output mode 2 __sfr __at 0xA6 WDRST ; // Watchdog reset register __sfr __at 0xA7 WDCON ; // Watchdog control register __sfr __at 0xA8 IEN0 ; // Interrupt Enable 0 __sfr __at 0xA9 SADDR ; // Serial slave Address __sfr __at 0xAC CMP1 ; // Comparator 1 control register __sfr __at 0xAD CMP2 ; // Comparator 2 control register __sfr __at 0xB7 IP0H ; // Interrupt Priority 0 High __sfr __at 0xB8 IP0 ; // Interrupt Priority 0 __sfr __at 0xB9 SADEN ; // Serial slave Address Mask __sfr __at 0xC8 I2CFG ; // I2C configuration register __sfr __at 0xD0 PSW ; // Program Status Word __sfr __at 0xD8 I2CON ; // I2C control register __sfr __at 0xD9 I2DAT ; // I2C data register __sfr __at 0xE0 ACC ; // Accumulator __sfr __at 0xE8 IEN1 ; // Interrupt enable 1 __sfr __at 0xF0 B ; // B Register __sfr __at 0xF6 PT0AD ; // Port 0 digital input disable __sfr __at 0xF7 IP1H ; // Interrupt Priority 1 High __sfr __at 0xF8 IP1 ; // Interrupt Priority 1 /* Bit Addressable Registers */ /* P0 */ __sbit __at 0x80 P0_0 ; // Also CMP2 __sbit __at 0x81 P0_1 ; // Also CIN2B __sbit __at 0x82 P0_2 ; // Also CIN2A __sbit __at 0x83 P0_3 ; // Also CIN1B __sbit __at 0x84 P0_4 ; // Also CIN1A __sbit __at 0x85 P0_5 ; // Also CMPREF __sbit __at 0x86 P0_6 ; // Also CMP1 __sbit __at 0x87 P0_7 ; // Also T1 /* TCON */ __sbit __at 0x88 IT0 ; // External Interrupt 0 Type __sbit __at 0x89 IE0 ; // External Interrupt 0 Edge Flag __sbit __at 0x8A IT1 ; // External Interrupt 1 Type __sbit __at 0x8B IE1 ; // External Interrupt 1 Edge Flag __sbit __at 0x8C TR0 ; // Timer 0 Run Control __sbit __at 0x8D TF0 ; // Timer 0 Overflow Flag __sbit __at 0x8E TR1 ; // Timer 1 Run Control __sbit __at 0x8F TF1 ; // Timer 1 Overflow Flag /* P1 */ __sbit __at 0x90 P1_0 ; // Also TxD __sbit __at 0x91 P1_1 ; // Also RxD __sbit __at 0x92 P1_2 ; // Also T0 __sbit __at 0x93 P1_3 ; // Also INT0 __sbit __at 0x94 P1_4 ; // Also INT1 __sbit __at 0x95 P1_5 ; // Also RST __sbit __at 0x96 P1_6 ; __sbit __at 0x97 P1_7 ; /* SCON */ __sbit __at 0x98 RI ; // Receive Interrupt Flag __sbit __at 0x99 TI ; // Transmit Interrupt Flag __sbit __at 0x9A RB8 ; // Receive Bit 8 __sbit __at 0x9B TB8 ; // Transmit Bit 8 __sbit __at 0x9C REN ; // Receiver Enable __sbit __at 0x9D SM2 ; // Serial Mode Control Bit 2 __sbit __at 0x9E SM1 ; // Serial Mode Control Bit 1 __sbit __at 0x9F SM0 ; // Serial Mode Control Bit 0 /* P2 */ __sbit __at 0xA0 P2_0 ; // Also X2 __sbit __at 0xA1 P2_1 ; // Also X1 /* IEN0 */ __sbit __at 0xA8 EX0 ; // External Interrupt 0 Enable __sbit __at 0xA9 ET0 ; // Timer 0 Interrupt Enable __sbit __at 0xAA EX1 ; // External Interrupt 1 Enable __sbit __at 0xAB ET1 ; // Timer 1 Interrupt Enable __sbit __at 0xAC ES ; // Serial Port Interrupt Enable __sbit __at 0xAD EBO ; // Brownout Interrupt Enable __sbit __at 0xAE EWD ; // Watchdog Interrupt Enable __sbit __at 0xAF EA ; // Global Interrupt Enable /* IP0 */ __sbit __at 0xB8 PX0 ; // External Interrupt 0 Priority __sbit __at 0xB9 PT0 ; // Timer 0 Interrupt Priority __sbit __at 0xBA PX1 ; // External Interrupt 1 Priority __sbit __at 0xBB PT1 ; // Timer 1 Interrupt Priority __sbit __at 0xBC PS ; // Serial Port Interrupt Priority __sbit __at 0xBD PBO ; // Brownout Interrupt Priority __sbit __at 0xBE PWD ; // Watchdog Interrupt Priority /* I2CFG */ __sbit __at 0xC8 CT0 ; // Clock Time Select 0 __sbit __at 0xC9 CT1 ; // Clock Time Select 1 __sbit __at 0xCC TIRUN ; // Timer I Run Enable __sbit __at 0xCD CLRTI ; // Clear Timer I __sbit __at 0xCE MASTRQ; // Master Request __sbit __at 0xCF SLAVEN; // Slave Enable /* PSW */ __sbit __at 0xD0 P ; // Accumulator Parity Flag __sbit __at 0xD1 F1 ; // Flag 1 __sbit __at 0xD2 OV ; // Overflow Flag __sbit __at 0xD3 RS0 ; // Register Bank Select 0 __sbit __at 0xD4 RS1 ; // Register Bank Select 1 __sbit __at 0xD5 F0 ; // Flag 0 __sbit __at 0xD6 AC ; // Auxiliary Carry Flag __sbit __at 0xD7 CY ; // Carry Flag /* I2CON */ __sbit __at 0xD8 XSTP ; __sbit __at 0xD9 MASTER;// Master Status __sbit __at 0xDA STP ; // Stop Detect Flag __sbit __at 0xDB STR ; // Start Detect Flag __sbit __at 0xDC ARL ; // Arbitration Loss Flag __sbit __at 0xDD DRDY ; // Data Ready Flag __sbit __at 0xDE ATN ; // Attention: I2C Interrupt Flag __sbit __at 0xDF RDAT ; // I2C Read Data /* ACC */ __sbit __at 0xE0 ACC_0; __sbit __at 0xE1 ACC_1; __sbit __at 0xE2 ACC_2; __sbit __at 0xE3 ACC_3; __sbit __at 0xE4 ACC_4; __sbit __at 0xE5 ACC_5; __sbit __at 0xE6 ACC_6; __sbit __at 0xE7 ACC_7; /* IEN1 */ __sbit __at 0xE8 EI2 ; // I2C Interrupt Enable __sbit __at 0xE9 EKB ; // Keyboard Interrupt Enable __sbit __at 0xEA EC2 ; // Comparator 2 Interrupt Enable __sbit __at 0xED EC1 ; // Comparator 1 Interrupt Enable __sbit __at 0xEF ETI ; // Timer I Interrupt Enable /* B */ __sbit __at 0xF0 B_0; __sbit __at 0xF1 B_1; __sbit __at 0xF2 B_2; __sbit __at 0xF3 B_3; __sbit __at 0xF4 B_4; __sbit __at 0xF5 B_5; __sbit __at 0xF6 B_6; __sbit __at 0xF7 B_7; /* IP1 */ __sbit __at 0xF8 PI2; // I2C Interrupt Priority __sbit __at 0xF9 PKB; // Keyboard Interrupt Priority __sbit __at 0xFA PC2; // Comparator 2 Interrupt Priority __sbit __at 0xFD PC1; // Comparator 1 Interrupt Priority __sbit __at 0xFF PTI; // Timer I Interrupt Priority /* Bitmasks for SFRs */ /* AUXR1 bits */ #define DPS 0x01 #define SRST 0x08 #define LPEP 0x10 #define BOI 0x20 #define BOD 0x40 #define KBF 0x80 /* CMP1 bits */ #define CMF1 0x01 #define CO1 0x02 #define OE1 0x04 #define CN1 0x08 #define CP1 0x10 #define CE1 0x20 /* CMP2 bits */ #define CMF2 0x01 #define CO2 0x02 #define OE2 0x04 #define CN2 0x08 #define CP2 0x10 #define CE2 0x20 /* I2DAT bits */ #define RDAT 0x80 #define XDAT 0x80 /* IP1H bits */ #define PI2H 0x01 #define PKBH 0x02 #define PC2H 0x04 #define PC1H 0x20 #define PTIH 0x80 /* PCON bits */ #define IDL 0x01 #define PD 0x02 #define GF0 0x04 #define GF1 0x08 #define POF 0x10 #define BOF 0x20 #define SMOD0 0x40 #define SMOD1 0x80 /* P2M1 bits */ #define ENT0 0x04 #define ENT1 0x08 #define ENTCLK 0x10 #define P0S 0x20 #define P1S 0x40 #define P2S 0x80 /* TMOD bits */ #define M0_0 0x01 #define M1_0 0x02 #define C_T0 0x04 #define GATE0 0x08 #define M0_1 0x10 #define M1_1 0x20 #define C_T1 0x40 #define GATE1 0x80 /* WDCON bits */ #define WDS0 0x01 #define WDS1 0x02 #define WDS2 0x04 #define WDCLK 0x08 #define WDRUN 0x10 #define WDOVF 0x20 /* Masks for I2CFG bits */ #define BTIR 0x10 // Mask for TIRUN bit. #define BMRQ 0x40 // Mask for MASTRQ bit. #define BSLV 0x80 // Mask for SLAVEN bit. /* Masks for I2CON bits */ #define BCXA 0x80 // Mask for CXA bit. #define BIDLE 0x40 // Mask for IDLE bit. #define BCDR 0x20 // Mask for CDR bit. #define BCARL 0x10 // Mask for CARL bit. #define BCSTR 0x08 // Mask for CSTR bit. #define BCSTP 0x04 // Mask for CSTP bit. #define BXSTR 0x02 // Mask for XSTR bit. #define BXSTP 0x01 // Mask for XSTP bit. #endif