Datasheet

© 2006 Microchip Technology Inc. DS30221C-page 155
PIC16F872
APPENDIX A: REVISION HISTORY APPENDIX B: CONVERSION
CONSIDERATIONS
Considerations for converting from previous versions
of devices to the ones listed in this data sheet are listed
in Table B-1.
Version Date Revision Description
A 11/99 This is a new data sheet (Pre-
liminary). However, these
devices are similar to the
PIC16C72A devices found in
the PIC16C62B/72A Data
Sheet (DS35008).
B 12/01 Final version of data sheet.
Includes DC and AC charac-
teristics graphs and updated
electrical specifications.
C 9/06 Packaging diagrams updated.
TABLE B-1: CONVERSION
CONSIDERATIONS
Characteristic PIC16C72A PIC16F872
Pins 28 28
Timers 3 3
Interrupts 7 10
Communication Basic SSP
(SPI, I
2
C
Slave)
SSP (SPI, I
2
C
Master/Slave)
Frequency 20 MHz 20 MHz
A/D 8-bit,
5 channels
10-bit
5 channels
CCP 1 1
Program
Memory
2K EPROM 2K FLASH
RAM 128 bytes 128 bytes
EEPROM Data None 64 bytes
Other ⎯ In-Circuit
Debugger,
Low Voltage
Programming