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Text File | 1995-02-27 | 14KB | 589 lines

***************************************** * 68HC11 INTERNAL REGISTERS * * J P SOMERS 05/01/87 * ***************************************** * DEFINITIONS REGS EQU $1000 * PORT A DATA REGISTER PORTA EQU 0 RESVD EQU 1 ; UNUSED * PARALLEL I/O CONTROL REGISTER PIOC EQU 2 * STROBE A FLAG * 0= INACTIVE * 1= SET AT ACTIVE EDGE OF STRA PIN STAF EQU %10000000 * STROBE A INTERRUPT ENABLE * 0= NO HARDWARE INTERRUPT GENERATED * 1= HARDWARE INTERRUPT REQ WHEN STAF=1 STAI EQU %01000000 * PORT C WIRE-OR MODE * 0= PORT C OUTPUTS NORMAL * 1= OPEN DRAIN CWOM EQU %00100000 * HANDSHAKE/SIMPLE STROBE MODE SELECT * 0= SIMPLE STROBE MODE * 1= FULL HANDSHAKE MODES HNDS EQU %00010000 * OUTPUT/INPUT HANDSHAKE SELECT * 0= INPUT * 1= OUTPUT OIN EQU %00001000 * PULSE MODE SELECT FOR STRB OUTPUT * 0= STRB LEVEL ACTIVE * 1= STRB PULSES PLS EQU %00000100 * ACTIVE EDGE SELECT FOR STRA * 0= HI TO LO (FALLING) * 1= LO TO HI (RISING) EGA EQU %00000010 * INVERT STRB OUTPUT * 0= STRB ACTIVE LOW * 1= STRB ACTIVE HIGH INVB EQU %00000001 * PORT C DATA REGISTER PORTC EQU 3 * PORTB DATA REGISTER PORTB EQU 4 * PORT C LATCHED DATA REGISTER PORTCL EQU 5 RESVD1 EQU 6 ; UNUSED * DATA DIRECTION REGISTER FOR PORT C DDRC EQU 7 * PORT D DATA REGISTER PORTD EQU 8 * DATA DIRECTION REGISTER FOR PORT D DDRD EQU 9 * PORT E DATA REGISTER PORTE EQU $A * TIMER COMPARE FORCE REGISTER CFORC EQU $B FOC1 EQU %10000000 FOC2 EQU %01000000 FOC3 EQU %00100000 FOC4 EQU %00010000 FOC5 EQU %00001000 * OUTPUT COMPARE 1 MASK REGISTER OC1M EQU $C OC1M7 EQU %10000000 OC1M6 EQU %01000000 OC1M5 EQU %00100000 OC1M4 EQU %00010000 OC1M3 EQU %00001000 * OUTPUT COMPARE 1 DATA REGISTER OC1D EQU $D OC1D7 EQU %10000000 OC1D6 EQU %01000000 OC1D5 EQU %00100000 OC1D4 EQU %00010000 OC1D3 EQU %00001000 * TIMER COUNTER REGISTER (2 BYTES) TCNT EQU $E * TIMER INPUT CAPTURE REGISTERS (3 REGS, 6 BYTES) TIC1 EQU $10 TIC2 EQU $12 TIC3 EQU $14 * TIMER OUTPUT COMPARE REGISTERS (5 REGS, 10 BYTES) TOC1 EQU $16 TOC2 EQU $18 TOC3 EQU $1A TOC4 EQU $1C TOC5 EQU $1E * TIMER CONTROL REGISTER 1 TCLT1 EQU $20 * OMx OLx ACTION UPON SUCCESSFUL COMPARE * 0 0 TIMER DISC FROM OUTPUT PIN * 0 1 TOGGLE OCx OUTPUT LINE * 1 0 CLEAR OCx OUTPUT LINE TO ZERO * 1 1 SET OCx OUTPUT LINE TO ONE OM2 EQU %10000000 OL2 EQU %01000000 OM3 EQU %00100000 OL3 EQU %00010000 OM4 EQU %00001000 OL4 EQU %00000100 OM5 EQU %00000010 OL5 EQU %00000001 * TIMER CONTROL REGISTER 2 TCLT2 EQU $21 * EDGxB EDGxA CONFIGURATION * 0 0 CAPTURE DISABLED * 0 1 CAPTURE ON RISING EDGES ONLY * 1 0 CAPTURE ON FALING EDGES ONLY * 1 1 CAPTURE ON ANY EDGE (RISING OR FALLING) EDG1B EQU %00100000 EDG1A EQU %00010000 EDG2B EQU %00001000 EDG2A EQU %00000100 EDG3B EQU %00000010 EDG3A EQU %00000001 * MAIN TIMER INTERRUPT MASK REG 1 TMSK1 EQU $22 OC1I EQU %10000000 OC2I EQU %01000000 OC3I EQU %00100000 OC4I EQU %00010000 OC5I EQU %00001000 IC1I EQU %00000100 IC2I EQU %00000010 IC3I EQU %00000001 * MAIN TIMER INTERRUPT FLAG REG 1 TFLG1 EQU $23 OC1F EQU %10000000 OC2F EQU %01000000 OC3F EQU %00100000 OC4F EQU %00010000 OC5F EQU %00001000 IC1F EQU %00000100 IC2F EQU %00000010 IC3F EQU %00000001 * MISC TIMER INTERRUPT MASK REG 2 TMSK2 EQU $24 * TIMER OVERFLOW INTERRUPT ENABLE TOI EQU %10000000 * RTI INTERRUPT ENABLE RTII EQU %01000000 * PULSE ACCUMULATOR OVERFLOW INTERRUPT ENABLE PAOVI EQU %00100000 * PULSE ACCUMULATOR INPUT INTERRUPT ENABLE * 0= INTERRUPT INHIBITED * 1= INTERRUPT REQUESTED IF FLAG SET PAII EQU %00010000 * PR1 PR2 PRESCALE FACTOR * 0 0 1 * 0 1 4 * 1 0 8 * 1 1 16 PR1 EQU %00000010 PR0 EQU %00000001 * MISC TIMER INTERRUPT FLAG REG 2 TFLG2 EQU $25 * TIMER OVERFLOW FLAG TOF EQU %10000000 * REAL TIME (PERIODIC) INTERRUPT FLAG RTIF EQU %01000000 * PULSE ACCUMULATOR OVERFLOW FLAG PAOVF EQU %00100000 * PULSE ACCUMULATOR INPUT EDGE FLAG PAIF EQU %00010000 * PULSE ACCUMULATOR CONTROL REGISTER PACTL EQU $26 * DATA DIRECTION FOR PA7 * 0= INPUT * 1= OUTPUT DDRA7 EQU %10000000 * PULSE ACCUMULATOR SYSTEM ENABLE * 0= DISABLED * 1= ENABLED PAEN EQU %01000000 * PULSE ACCUMULATOR MODE * 0= EVENT COUNTER * 1= GATED TIME ACCUMULATION PAMOD EQU %00100000 * PULSE ACCUMULATOR EDGE CONTROL * 0= FALLING EDGES, HIGH LEVEL ENABLES ACCUM * 1= RISING EDGES, LOW LEVEL ENABLES ACCUM PEDGE EQU %00010000 * RTI INTERRUPT RATE * RTR1 RTR0 DIV E BY * 0 0 2^13 * 0 1 2^14 * 1 0 2^15 * 1 1 2^16 RTR1 EQU %00000010 RTR0 EQU %00000001 * PULSE ACCUMULATOR COUNT REGISTER PACNT EQU $27 * SPI CONTROL REGISTER SPCR EQU $28 * SPI INTERRUPT ENABLE SPIE EQU %10000000 * SPI SYSTEM ENABLE SPE EQU %01000000 * PORT D WIRE-OR MODE * 0=PORT D OUTPUTS NORMAL * 1=OPEN DRAIN DWOM EQU %00100000 * MASTER/SLAVE MODE SELECT * 0=SLAVE MODE * 1=MASTER MODE MSTR EQU %00010000 * CLOCK POLARITY CPOL EQU %00001000 * CLOCK PHASE CPHA EQU %00000100 * SPI CLOCK (SCK) RATE BIT * SPR1 SPR0 E DIV BY * 0 0 2 * 0 1 4 * 1 0 16 * 1 1 32 SPR1 EQU %00000010 SPR0 EQU %00000001 * SPI STATUS REGISTER SPSR EQU $29 * SPI INTERRUPT REQUEST SPIF EQU %10000000 * WRITE COLLISION STATUS FLAG WCOL EQU %01000000 * SPI MODE ERROR INTERRUPT STATUS FLAG MODF EQU %00010000 * SPI DATA REGISTER SPDR EQU $2A * SCI BAUD RATE CONTROL REGISTER BAUD EQU $2B * CLEAR BAUD COUNTER CHAIN (TEST ONLY) TCLR EQU %10000000 * SERIAL PRESCALER SELECTS * SCP1 SCP0 DIV E BY * 0 0 1 * 0 1 3 * 1 0 4 * 1 1 13 SCP1 EQU %00100000 SCP0 EQU %00010000 * SCI BAUD RATE CLOCK TEST (TEST ONLY) RCKB EQU %00001000 * SCI RATE SELECT BIT 2 THRU BIT 0 * SCR2 SCR1 SCR0 PRESC OUT DIV BY * 0 0 0 1 * 0 0 1 2 * 0 1 0 4 * 0 1 1 8 * 1 0 0 16 * 1 0 1 32 * 1 1 0 64 * 1 1 1 128 SCR2 EQU %00000100 SCR1 EQU %00000010 SCR0 EQU %00000001 * SCI CONTROL REGISTER 1 SCCR1 EQU $2C * RECEIVE BIT 8 R8 EQU %10000000 * TRANSMIT BIT 8 T8 EQU %01000000 * MODE SELECT * 0 = 1 START, 8 DATA, 1 STOP * 1 = 1 START, 8 DATA, 9TH DATA, 1 STOP BIT M EQU %00010000 * WAKE = WAKE UP (BY ADDRESS MARK/IDLE) * 0 = WAKE UP BY IDEL LINE * 1 = WAKE UP BY ADDRESS MARK WAKE EQU %00001000 * SCI CONTROL REGISTER 2 SCCR2 EQU $2D * TRANSMIT INTERRUPT ENABLE TIE EQU %10000000 * TRANSMIT COMPLETE INTERRUPT ENABLE TCIE EQU %01000000 * RECEIVER INTERRUPT ENABLE RIE EQU %00100000 * IDLE LINE INTERRUPT ENABLE * 0=INHIBIT INTERRUPTS * 1=ENABLE INTERRUPTS ILIE EQU %00010000 * TRANSMITER ENABLE (TOGGLE TO QUEUE IDLE CHAR) TE EQU %00001000 * RECEIVER ENABLE * 0=OFF * 1=ON RE EQU %00000100 * RECEIVER WAKE-UP CONTROL * 0=NORMAL * 1=RECEIVER ASLEEP RWU EQU %00000010 * SEND BREAK SBK EQU %00000001 * SCI STATUS REGISTER SCSR EQU $2E * TRANSMIT DATA REG EMPTY FLAG TDRE EQU %10000000 * TRANSMIT COMPLETE FLAG TC EQU %01000000 * RECEIVE DATA REG FULL FLAG RDRF EQU %00100000 * IDLE LINE DETECTED FLAG IDLE EQU %00010000 * OVER-RUN ERROR FLAG OR EQU %00001000 * NOISE ERROR FLAG NF EQU %00000100 * FRAMING ERROR FLAG FE EQU %00000010 * SCI DATA REGISTER * RECEIVE AND TRANSMIT DOUBLE BUFFERED SCDR EQU $2F * A/D CONTROL/STATUS REGISTER ADCTL EQU $30 * CONVERSIONS COMPLETE FLAG (SETS AFTER 4TH CONVERSION) CCF EQU %10000000 * CONTINUOUS SCAN CONTROL * 0=4 CONVERSIONS AND STOP * 1=CONVERT CONTINUOUSLY SCAN EQU %00100000 * MULTIPLE CHANNEL/SINGLE CHANNEL CONTROL * 0=CONVER SINGLE CHANNEL * 1=CONVERT FOUR CHANNEL GROUP MULT EQU %00010000 * CD CC CB CA CHANNEL SIGNAL RESULT IN ADRX *-------------------------------------------------- * 0 0 0 0 ADO PORT E0 ADR1 * 0 0 0 1 ADO PORT E1 ADR2 * 0 0 1 0 ADO PORT E2 ADR3 * 0 0 1 1 ADO PORT E3 ADR4 * 0 1 0 0 ADO PORT E4 ADR1 * 0 1 0 1 ADO PORT E5 ADR2 * 0 1 1 0 ADO PORT E6 ADR3 * 0 1 1 1 ADO PORT E7 ADR4 * 1 0 0 0 RESERVED ADR1 * 1 0 0 1 RESERVED ADR2 * 1 0 1 0 RESERVED ADR3 * 1 0 1 1 RESERVED ADR4 * 1 1 0 0 VREF HI ADR1 * 1 1 0 1 VREF LOW ADR2 * 1 1 1 0 VREF HI/2 ADR3 * 1 1 1 1 TEST/RESERVED ADR4 CD EQU %00001000 CC EQU %00000100 CB EQU %00000010 CA EQU %00000001 * A/D RESULT REGISTERS ADR1 EQU $31 ADR2 EQU $32 ADR3 EQU $33 ADR4 EQU $34 RESVD2 EQU $35 ; UNUSED RESVD3 EQU $36 ; UNUSED RESVD4 EQU $37 ; UNUSED RESVD5 EQU $38 ; UNUSED * SYSTEM CONFIGURATION OPTIONS OPTION EQU $39 * A TO D POWER UP * 0= A/D SYSTEM POWERED DOWN * 1= A/D SYSTEM POWERED UP ADPU EQU %10000000 * CLOCK SELECT * SHOULD BE USED IF E LESS THAN 1MHZ * 0= A/D & EE USE SYSTEM E CLOCK * 1= A/D & EE USE AN INTERNAL R-C CLOCK CSEL EQU %01000000 * IRQ SELECT EDGE SENSITIVE ONLY (TIME PROTECTED) * 0= IRQ CONFIGURED FOR LOW LEVEL * 1= IRQ CONFIGURED FOR FALLING EDGES IRQE EQU %00100000 * ENABLE OSCILATOR START UP DELAY (EXITING FROM STOP) * 0= NO DELAY * 1= A DELAY IS IMPOSED DLY EQU %00010000 * CLOCK MONITOR ENABLE * 0= DISABLED * 1= SLOW OR STOPPED CLOCKS CAUSE RESET CME EQU %00001000 * COP TIMER RATE SELECT BITS * CR1 CR0 E/2^15 DIV BY * 0 0 1 * 0 1 4 * 1 0 16 * 1 1 64 CR1 EQU %00000010 CR0 EQU %00000001 * CR1 CR0 E/2^15 DIV BY *---------------------------- * 0 0 1 * 0 1 4 * 1 0 16 * 1 1 64 * ARM/RESET COP TIMER CIRCUITRY COPRST EQU $3A * EEPROM PROGRAMMING REGISTER PPROG EQU $3B * PROGRAM ODD ROWS IN HALF OF EEPROM (TEST) ODD EQU %10000000 * PROGRAM EVEN ROWS IN HALF OF EEPROM (TEST) EVEN EQU %01000000 * BYTE/OTHER EEPROM ERASE MODE * 0= ROW OR ALL ERASE MODE WILL BE USED * 1= ERASE ONLY ONE BYTE OF EEPROM BYTE EQU %00010000 * ROW/ALL EEPROM ERASE MODE * 0= ALL 512 BYTES OF EEPROM TO BE ERASED * 1= ERASE ONLY ONE 16 BYTE ROW OF EEPROM ROW EQU %00001000 * ERASE/NORMAL CONTROL OF EEPROM * 0= NORMAL READ OR PROGRAM MODE * 1= ERASE MODE ERASE EQU %00000100 * EEPROM LATCH CONTROL * 0= EEPROM ADDRESS AND DATA BUS CONFIG FOR READS * 1= EEPROM BUSS CONFIG FOR PROGRAM OR ERASE * EEPROM CANNOT BE READ WHILE EELAT = 1 EELAT EQU %00000010 * EEPROM PROGRAM COMMAND * WRITABLE ONLY IF EELAT = 1 * 0= PROGRAM (OR ERASE) POWER SWITCHED OFF * 1= PROGRAM (OR ERASE) POWER SWITCHED ON EEPGM EQU %00000001 * HIGHEST PRIORITY INTERRUPT AND MISC. HPRIO EQU $3C * READ BOOTSTRAP ROM (ONLY WRITABLE IF SMOD=1) * 0= BOOT ROM NOT IN MAP (NORMAL) * 1= BOOT ROM ENABLED RBOOT EQU %10000000 * INTERNAL READ VISIBILITY * 0= NO VISIBILITY OF INTERNAL READS ON EXTERNAL BUS * 1= DATA FROM INTERNAL READS IS DRIVEN OUT DATA BUS IRV EQU %00010000 * SPECIAL MODE SELECT * MODB MODA MODE DESCR SMOD MDA *--------------------------------------- * 1 0 SINGLE CHIP 0 0 * 1 1 EXPANDED MUX 0 1 * 0 0 BOOTSTRAP 1 0 * 0 1 SPECIAL TEST 1 1 SMOD EQU %01000000 * MODE SELECT MDA EQU %00100000 * PRIORITY SELECT * MAY ONLY BE WRITTEN IF I BIT IN CC REG IS 1 * PSEL3 PSEL2 PSEL1 PSEL0 INTERRUPT *------------------------------------------ * 0 0 0 0 TIMER OVERFLOW * 0 0 0 1 PULSE ACCUM OVERFL * 0 0 1 0 PULSE ACC EDGE * 0 0 1 1 SPI XFER COMPLETE * 0 1 0 0 SCI SERIAL SYSTEM * 0 1 0 1 RESERVED (DEFAULT IRQ) * 0 1 1 0 IRQ (PIN OR PAR I/O) * 0 1 1 1 REAL TIME INTERRUPT * 1 0 0 0 TIMER INPUT CAPTURE 1 * 1 0 0 1 TIMER INPUT CAPTURE 2 * 1 0 1 0 TIMER INPUT CAPTURE 3 * 1 0 1 1 TIMER OUTPUT COMPARE 1 * 1 1 0 0 TIMER OUTPUT COMPARE 2 * 1 1 0 1 TIMER OUTPUT COMPARE 3 * 1 1 1 0 TIMER OUTPUT COMPARE 4 * 1 1 1 1 TIMER OUTPUT COMPARE 5 PSEL3 EQU %00001000 PSEL2 EQU %00000100 PSEL1 EQU %00000010 PSEL0 EQU %00000001 * RAM AND I/O MAPPING REGISTER INIT EQU $3D RAM3 EQU %10000000 RAM2 EQU %01000000 RAM1 EQU %00100000 RAM0 EQU %00010000 REG3 EQU %00001000 REG2 EQU %00000100 REG1 EQU %00000010 REG0 EQU %00000001 * FACTORY TEST REGISTER * RESTRICTED TEST MODES ONLY TEST1 EQU $3E * TEST ILLEGAL OPCODE TILOP EQU %10000000 * OUTPUT CONDITION CODE REG STAT TO TIMER PORT OCCR EQU %00100000 * TIMER DIVIDER CHAIN BYPASS CBYP EQU %00010000 * DISABLE RESETS FROM COP AND CLOCK MONITOR DISR EQU %00001000 * FORCE CLOCK MONITOR FAILURE FCM EQU %00000100 * FORCE COP WATCHDOG FAILURE FCOP EQU %00000010 * TEST CONFIGURATION TCON EQU %00000001 * CONFIGURATION CONTROL REGISTER CONFIG EQU $3F * SECURITY MODE DISABLE (MASK) * 0=SECURITY MODE * 1=NO SECURITY NOSEC EQU %00001000 * COP SYSTEM DISABLE * 0=COP SYSTEM ENABLED (FORCES RESET ON TIMEOUT) * 1=COP SYSTEM DISABLED NOCOP EQU %00000100 * ROM ENABLE * 0= ROM IS NOT IN THE MEMORY MAP * 1= ROM ON AT $E000 TO $FFFF ROMON EQU %00000010 * EEPROM ENABLE * 0= EEPROM IS NOT IN THE MEMORY MAP * 1= EEPROM ON AT $B600 TO $B7FF EEON EQU %00000001 * INTERRUPT VECTOR ASSIGNMENT RESVEC0 EQU $FFC0 ; RESERVED RESVEC1 EQU $FFC2 ; RESERVED RESVEC2 EQU $FFC4 ; RESERVED RESVEC3 EQU $FFC6 ; RESERVED RESVEC4 EQU $FFC8 ; RESERVED RESVEC5 EQU $FFCA ; RESERVED RESVEC6 EQU $FFCC ; RESERVED RESVEC7 EQU $FFCE ; RESERVED RESVEC8 EQU $FFD0 ; RESERVED RESVEC9 EQU $FFD2 ; RESERVED RESVECA EQU $FFD4 ; RESERVED VECSCI EQU $FFD6 ; SCI SERIAL SYSTEM VECSPI EQU $FFD8 ; SPI SERIAL TRANSFER COMPLETE VECPAI EQU $FFDA ; PULSE ACC INPUT EDGE VECPAO EQU $FFDC ; PULSE ACC OVERFLOW VECTOV EQU $FFDE ; TIMER OVERFLOW VECTO5 EQU $FFE0 ; TIMER OUTPUT COMPARE 5 VECTO4 EQU $FFE2 ; TIMER OUTPUT COMPARE 4 VECTO3 EQU $FFE4 ; TIMER OUTPUT COMPARE 3 VECTO2 EQU $FFE6 ; TIMER OUTPUT COMPARE 2 VECTO1 EQU $FFE8 ; TIMER OUTPUT COMPARE 1 VECTI3 EQU $FFEA ; TIMER INPUT CAPTURE 3 VECTI2 EQU $FFEC ; TIMER INPUT CAPTURE 2 VECTI1 EQU $FFEE ; TIMER INPUT CAPTURE 1 VECRTI EQU $FFF0 ; REAL TIME INTERRUPT VECIRQ EQU $FFF2 ; IRQ VECXIRQ EQU $FFF4 ; XIRQ VECSWI EQU $FFF6 ; SWI VECILL EQU $FFF8 ; ILLEGAL OPCODE TRAP VECCOP EQU $FFFA ; COP FAILURE (RESET) VECCMF EQU $FFFC ; COP CLOCK MONITOR FAIL (RESET) VECRES EQU $FFFE ; RESET