PIC16F631/677/685/687/689/690
Interrupt-on-change .................................................... 69
O
Pin Descriptions and Diagrams .................................. 71
RB4............................................................................. 71
RB5............................................................................. 72
RB6............................................................................. 73
RB7............................................................................. 74
Registers .................................................................... 69
PORTB Register................................................................. 69
PORTC ............................................................................... 76
Associated registers ................................................... 80
P1A/P1B/P1C/P1D.See Enhanced Capture/
Compare/PWM+ (ECCP+) ................................. 76
RC0 ............................................................................ 77
RC1 ............................................................................ 77
RC2 ............................................................................ 77
RC3 ............................................................................ 77
RC4 ............................................................................ 78
RC5 ............................................................................ 78
RC6 ............................................................................ 79
RC7 ............................................................................ 79
Registers .................................................................... 76
Specifications ........................................................... 240
PORTC Register................................................................. 76
Power-Down Mode (Sleep)............................................... 210
Power-on Reset (POR)..................................................... 197
Power-up Timer (PWRT) .................................................. 197
Specifications ........................................................... 242
Prescaler
Shared WDT/Timer0................................................... 82
Switching Prescaler Assignment ................................ 82
Program Memory................................................................ 25
Map and Stack...................................................... 25, 26
Programming, Device Instructions.................................... 213
PSTRCON Register.......................................................... 145
Pulse Steering .................................................................. 145
PWM (ECCP Module)
Pulse Steering .......................................................... 145
Steering Synchronization.......................................... 147
PWM Mode. See Enhanced Capture/Compare/PWM...... 133
PWMxCON Register......................................................... 144
OPCODE Field Descriptions.............................................213
OPTION Register.......................................................... 37, 83
OSCCON Register..............................................................48
Oscillator
Associated registers.............................................. 58, 89
Oscillator Module ................................................................47
EC ...............................................................................47
HFINTOSC..................................................................47
HS...............................................................................47
INTOSC ......................................................................47
INTOSCIO...................................................................47
LFINTOSC ..................................................................47
LP................................................................................47
RC...............................................................................47
RCIO...........................................................................47
XT ...............................................................................47
Oscillator Parameters........................................................239
Oscillator Specifications....................................................238
Oscillator Start-up Timer (OST)
Specifications............................................................242
Oscillator Switching
Fail-Safe Clock Monitor...............................................57
Two-Speed Clock Start-up..........................................55
OSCTUNE Register ............................................................52
P
P (Stop) bit ........................................................................176
P1A/P1B/P1C/P1D.See Enhanced Capture/
Compare/PWM (ECCP)............................................133
Packaging .........................................................................275
Marking .....................................................................275
PDIP Details..............................................................276
PCL and PCLATH...............................................................44
Stack...........................................................................44
PCON Register ........................................................... 43, 199
PICkit 2 Development Programmer ..................................226
PICSTART Plus Development Programmer .....................226
PIE1 Register......................................................................39
PIE2 Register......................................................................40
Pin Diagram ......................................................2, 3, 4, 5, 6, 7
PIR1 Register......................................................................41
PIR2 Register......................................................................42
PORTA
Additional Pin Functions .............................................60
ANSEL Register..................................................60
ANSELH Register ...............................................60
Interrupt-on-Change............................................60
Ultra Low-Power Wake-up............................ 60, 63
Weak Pull-Up......................................................60
Associated Registers ..................................................68
Pin Descriptions and Diagrams...................................64
RA0 .............................................................................64
RA1 .............................................................................65
RA2 .............................................................................65
RA3 .............................................................................66
RA4 .............................................................................66
RA5 .............................................................................67
Registers.....................................................................59
Specifications............................................................240
PORTA Register .................................................................59
PORTB
R
R/W bit.............................................................................. 176
RCREG............................................................................. 156
RCSTA Register ............................................................... 159
Reader Response............................................................. 290
Read-Modify-Write Operations ......................................... 213
Receive Overflow Indicator bit (SSPOV) .......................... 177
Register
RCREG Register ...................................................... 165
Registers
ADCON0 (ADC Control 0)........................................ 113
ADCON1 (ADC Control 1)........................................ 114
ADRESH (ADC Result High) with ADFM = 0) .......... 115
ADRESH (ADC Result High) with ADFM = 1) .......... 115
ADRESL (ADC Result Low) with ADFM = 0)............ 115
ADRESL (ADC Result Low) with ADFM = 1)............ 115
ANSEL (Analog Select) .............................................. 61
ANSELH (Analog Select High) ................................... 61
BAUDCTL (Baud Rate Control)................................ 160
CCPxCON (Enhanced CCPx Control)...................... 127
CM1CON0 (C1 Control).............................................. 98
CM2CON0 (C2 Control).............................................. 99
CM2CON1 (C2 Control)............................................ 101
CONFIG (Configuration Word) ................................. 195
ECCPAS (Enhanced CCP Auto-shutdown Control) . 141
Additional Pin Functions .............................................69
Weak Pull-Up......................................................69
Associated Registers ..................................................75
DS41262D-page 286
© 2007 Microchip Technology Inc.