PIC16F72 Datasheet, PDF (129/136 Pages) Microchip Technology – 28-Pin, 8-Bit CMOS FLASH MCU with A/D Converter

Oscillator Configuration................................................. 59, 61
Crystal Oscillator/Ceramic Resonators ....................... 61
HS ......................................................................... 61, 65
LP.......................................................................... 61, 65
RC................................................................... 61, 62, 65
XT ......................................................................... 61, 65
Oscillator, WDT ................................................................... 70
P
P.......................................................................................... 44
Package Marking Information ........................................... 117
PCFG0 bit ........................................................................... 54
PCFG1 bit ........................................................................... 54
PCFG2 bit ........................................................................... 54
PCL Register............................................................. 9, 10, 18
PCLATH Register ..................................................... 9, 10, 18
PCON Register ................................................................... 64
POR bit ....................................................................... 17
PICDEM 1 Low Cost PICmicro
Demonstration Board.................................................... 83
PICDEM 17 Demonstration Board ...................................... 84
PICDEM 2 Low Cost PIC16CXX
Demonstration Board.................................................... 83
PICDEM 3 Low Cost PIC16CXXX
Demonstration Board.................................................... 84
PICSTART Plus Entry Level
Development Programmer ........................................... 83
Pin Functions
MCLR/VPP..................................................................... 6
OSC1/CLKI ................................................................... 6
OSC2/CLKO ................................................................. 6
RA0/AN0 ....................................................................... 6
RA1/AN1 ....................................................................... 6
RA2/AN2 ....................................................................... 6
RA3/AN3/VREF .............................................................. 6
RA4/T0CKI.................................................................... 6
RA5/AN4/SS ................................................................. 6
RB0/INT ........................................................................ 6
RB1 ............................................................................... 6
RB2 ............................................................................... 6
RB3 ............................................................................... 6
RB4 ............................................................................... 6
RB5 ............................................................................... 6
RB6/PGC ...................................................................... 6
RB7/PGD ...................................................................... 6
RC0/T1OSO/T1CKI ...................................................... 6
RC1/T1OSI ................................................................... 6
RC2/CCP1 .................................................................... 6
RC3/SCK/SCL .............................................................. 6
RC4/SDI/SDA ............................................................... 6
RC5/SDO ...................................................................... 6
RC6............................................................................... 6
RC7............................................................................... 6
VDD ............................................................................... 6
VSS................................................................................ 6
Pinout Descriptions
PIC16F72...................................................................... 6
POP .................................................................................... 19
POR. See Power-on Reset
PORTA
Associated Registers .................................................. 22
Functions .................................................................... 22
PIC16F72
PORTA Register ................................................................... 9
PORTB
Associated Registers.................................................. 24
Functions .................................................................... 24
Pull-up Enable (RBPU bit) .......................................... 13
RB0/INT Edge Select (INTEDG bit)............................ 13
RB0/INT Pin, External ................................................ 69
RB7:RB4 Interrupt-on-Change Flag (RBIF bit)........... 14
RB7:RB4 Interrupt-on-Change ................................... 69
RB7:RB4 Interrupt-on-Change Enable
(RBIE bit) ............................................................... 69
RB7:RB4 Interrupt-on-Change Flag
(RBIF bit) ......................................................... 14, 69
PORTB Register ................................................................... 9
PORTC
Associated Registers.................................................. 26
Functions .................................................................... 26
PORTC Register................................................................... 9
Postscaler, WDT
Assignment (PSA Bit) ................................................. 13
Rate Select (PS2:PS0 bits) ........................................ 13
Power-down Mode. See SLEEP
Power-on Reset (POR)............................... 59, 62, 64, 65, 66
Brown-out Reset (BOR).............................................. 64
Oscillator Start-up Timer (OST) ............................ 59, 64
POR Status (POR bit)................................................. 17
Power Control/Status Register (PCON)...................... 64
Power-down (PD bit) .................................................. 62
Power-up Timer (PWRT) ...................................... 59, 64
Time-out (TO bit) .................................................. 12, 62
Time-out Sequence .................................................... 64
PR2 Register ...................................................................... 35
Prescaler, Timer0
Assignment (PSA bit) ................................................. 13
Rate Select (PS2:PS0 bits) ........................................ 13
PRO MATE II Universal Device Programmer ..................... 83
Product Identification System ........................................... 133
Program Counter
RESET Conditions...................................................... 65
Program Memory
Paging ........................................................................ 19
Program Memory Map and Stack ......................................... 7
Program Verification ........................................................... 72
PUSH.................................................................................. 19
R
R/W..................................................................................... 44
R/W bit ................................................................................ 49
RBIF bit............................................................................... 23
Read/Write bit Information, R/W ......................................... 44
Reader Response............................................................. 132
Reading Program Memory.................................................. 27
PMADR....................................................................... 27
PMCON1 Register...................................................... 27
Receive Overflow Indicator bit, SSPOV.............................. 45
Register File Map.................................................................. 8
 2002 Microchip Technology Inc.
DS39597B-page 127