PIC16F631 Datasheet, PDF (287/294 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
Baud Rate Error, Calculating ............................ 161
Baud Rates, Asynchronous Modes .................. 162
Formulas ........................................................... 161
High Baud Rate Select (BRGH Bit) .................. 161
Synchronous Master Mode ....................................... 169
Associated Registers
Receive..................................................... 172
Transmit.................................................... 170
Reception.......................................................... 171
Requirements, Synchronous Receive .............. 246
Requirements, Synchronous Transmission ...... 246
Timing Diagram, Synchronous Receive ........... 246
Timing Diagram, Synchronous Transmission ... 246
Transmission .................................................... 169
Synchronous Slave Mode ......................................... 173
Associated Registers
Receive..................................................... 174
Transmit.................................................... 173
Reception.......................................................... 174
Transmission .................................................... 173
F
Fail-Safe Clock Monitor....................................................... 57
Fail-Safe Condition Clearing ....................................... 57
Fail-Safe Detection ..................................................... 57
Fail-Safe Operation..................................................... 57
Reset or Wake-up from Sleep..................................... 57
Firmware Instructions........................................................ 213
Flash Program Memory .................................................... 119
Fuses. See Configuration Bits
G
General Purpose Register File............................................ 26
I
I²C Mode
Addressing ................................................................ 185
Associated Registers ................................................ 192
Master Mode ............................................................. 191
Mode Selection ......................................................... 184
Multi-Master Mode .................................................... 191
Operation .................................................................. 184
Reception.................................................................. 186
Slave Mode
SCL and SDA pins ............................................ 184
Transmission............................................................. 189
ID Locations ...................................................................... 211
In-Circuit Serial Programming (ICSP) ............................... 211
Indirect Addressing, INDF and FSR registers ..................... 44
Instruction Format ............................................................. 213
Instruction Set ................................................................... 213
ADDLW ..................................................................... 215
ADDWF..................................................................... 215
ANDLW ..................................................................... 215
ANDWF..................................................................... 215
BCF........................................................................... 215
BSF ........................................................................... 215
BTFSC ...................................................................... 215
BTFSS ...................................................................... 216
CALL ......................................................................... 216
CLRF......................................................................... 216
CLRW ....................................................................... 216
CLRWDT................................................................... 216
COMF ....................................................................... 216
DECF ........................................................................ 216
DECFSZ.................................................................... 217
© 2007 Microchip Technology Inc.
GOTO ....................................................................... 217
INCF ......................................................................... 217
INCFSZ..................................................................... 217
IORLW ...................................................................... 217
IORWF...................................................................... 217
MOVF ....................................................................... 218
MOVLW .................................................................... 218
MOVWF.................................................................... 218
NOP.......................................................................... 218
RETFIE..................................................................... 219
RETLW ..................................................................... 219
RETURN................................................................... 219
RLF........................................................................... 220
RRF .......................................................................... 220
SLEEP ...................................................................... 220
SUBLW..................................................................... 220
SUBWF..................................................................... 221
SWAPF..................................................................... 221
XORLW .................................................................... 221
XORWF .................................................................... 221
Summary Table ........................................................ 214
INTCON Register................................................................ 38
Inter-Integrated Circuit (I²C). See I²C Mode
Internal Oscillator Block
INTOSC
Specifications ................................................... 239
Internal Sampling Switch (RSS) Impedance ..................... 116
Internet Address ............................................................... 289
Interrupts .......................................................................... 204
ADC .......................................................................... 111
Associated Registers................................................ 206
Context Saving ......................................................... 207
Interrupt-on-Change ................................................... 60
Interrupt-on-change .................................................... 69
PORTA/PORTB Interrupt-on-Change ...................... 205
RA2/INT.................................................................... 204
TMR0........................................................................ 205
TMR1.......................................................................... 86
INTOSC Specifications ..................................................... 239
IOCA Register..................................................................... 62
IOCB Register..................................................................... 70
L
Load Conditions................................................................ 237
M
MCLR ............................................................................... 197
Internal...................................................................... 197
Memory Organization ......................................................... 25
Data ............................................................................ 26
Program...................................................................... 25
Microchip Internet Web Site.............................................. 289
Migrating from other PIC Devices..................................... 281
MPLAB ASM30 Assembler, Linker, Librarian ................... 224
MPLAB ICD 2 In-Circuit Debugger ................................... 225
MPLAB ICE 2000 High-Performance Universal
In-Circuit Emulator.................................................... 225
MPLAB ICE 4000 High-Performance Universal
In-Circuit Emulator.................................................... 225
MPLAB Integrated Development Environment Software.. 223
MPLAB PM3 Device Programmer .................................... 225
MPLINK Object Linker/MPLIB Object Librarian ................ 224
DS41262D-page 285