PIC16F631_08 Datasheet, PDF (302/306 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
T2CON................................................................ 92
Timing Diagrams
A/D Conversion ......................................................... 256
A/D Conversion (Sleep Mode) .................................. 257
Asynchronous Reception .......................................... 158
Asynchronous Transmission ..................................... 154
Asynchronous Transmission (Back to Back) ............ 154
Auto Wake-up Bit (WUE) During Normal Operation . 168
Auto Wake-up Bit (WUE) During Sleep .................... 169
Automatic Baud Rate Calibration .............................. 167
Brown-out Reset (BOR) ............................................ 244
Brown-out Reset Situations ...................................... 202
CLKOUT and I/O....................................................... 243
Clock Synchronization .............................................. 196
Clock Timing ............................................................. 241
Comparator Output ..................................................... 93
Enhanced Capture/Compare/PWM (ECCP) ............. 247
EUSART Synchronous Receive (Master/Slave) ....... 249
EUSART Synchronous Transmission
(Master/Slave)................................................... 249
Fail-Safe Clock Monitor (FSCM) ................................. 58
Full-Bridge PWM Output ........................................... 138
Half-Bridge PWM Output .................................. 136, 144
I²C Bus Data ............................................................. 253
I²C Bus Start/Stop Bits.............................................. 252
I²C Reception (7-bit Address) ................................... 190
I²C Slave Mode (Transmission, 10-bit Address) ....... 194
I²C Slave Mode with SEN = 0 (Reception, 10-bit Ad-
dress) ................................................................ 192
I²C Transmission (7-bit Address) .............................. 193
INT Pin Interrupt........................................................ 210
Internal Oscillator Switch Timing................................. 54
PWM Auto-shutdown
Auto-restart Enabled ......................................... 143
Firmware Restart .............................................. 143
PWM Direction Change ............................................ 139
PWM Direction Change at Near 100% Duty Cycle ... 140
PWM Output (Active-High)........................................ 134
PWM Output (Active-Low) ........................................ 135
Reset, WDT, OST and Power-up Timer ................... 244
Send Break Character Sequence ............................. 170
Slave Synchronization .............................................. 185
SPI Master Mode (CKE = 1, SMP = 1) ..................... 250
SPI Mode (Master Mode) .......................................... 184
SPI Mode (Slave Mode with CKE = 0) ...................... 186
SPI Mode (Slave Mode with CKE = 1) ...................... 186
SPI Slave Mode (CKE = 0) ....................................... 251
SPI Slave Mode (CKE = 1) ....................................... 251
Synchronous Reception (Master Mode, SREN) ....... 174
Synchronous Transmission....................................... 172
Synchronous Transmission (Through TXEN) ........... 172
Time-out Sequence
Case 1............................................................... 204
Case 2............................................................... 204
Case 3............................................................... 204
Timer0 and Timer1 External Clock ........................... 246
Timer1 Incrementing Edge.......................................... 87
Two Speed Start-up .................................................... 56
Wake-up from Interrupt ............................................. 215
Timing Parameter Symbology........................................... 240
Timing Requirements
I²C Bus Data ............................................................. 254
I2C Bus Start/Stop Bits ............................................. 253
SPI Mode .................................................................. 252
TRISA
Registers .................................................................... 59
TRISA Register................................................................... 59
TRISB
Registers .................................................................... 69
TRISB Register................................................................... 70
TRISC
Registers .................................................................... 76
TRISC Register................................................................... 76
Two-Speed Clock Start-up Mode........................................ 55
TXREG ............................................................................. 153
TXSTA Register................................................................ 160
BRGH Bit .................................................................. 163
U
UA..................................................................................... 180
Ultra Low-Power Wake-up.............. 14, 16, 18, 20, 22, 60, 63
Update Address bit, UA .................................................... 180
V
Voltage Reference (VR)
Specifications ........................................................... 248
Voltage Reference. See Comparator Voltage
Reference (CVREF)
Voltage References
Associated registers ................................................. 106
VP6 Stabilization ...................................................... 105
VREF. SEE ADC Reference Voltage
W
Wake-up on Break ............................................................ 168
Wake-up Using Interrupts ................................................. 214
Watchdog Timer (WDT).................................................... 212
Associated registers ................................................. 213
Clock Source ............................................................ 212
Modes ....................................................................... 212
Period ....................................................................... 212
Specifications ........................................................... 245
WCOL bit .......................................................................... 181
WDTCON Register ........................................................... 213
WPUA Register................................................................... 62
WPUB Register................................................................... 70
Write Collision Detect bit (WCOL) .................................... 181
WWW Address ................................................................. 301
WWW, On-Line Support ....................................................... 8
DS41262E-page 300
© 2008 Microchip Technology Inc.