Datasheet

PIC16F87XA
DS39582C-page 220  2001-2013 Microchip Technology Inc.
APPENDIX C: CONVERSION
CONSIDERATIONS
Considerations for converting from previous versions
of devices to the ones listed in this data sheet are listed
in Table C-1.
TABLE C-1: CONVERSION CONSIDERATIONS
Characteristic PIC16C7X PIC16F87X PIC16F87XA
Pins 28/40 28/40 28/40
Timers 3 3 3
Interrupts 11 or 12 13 or 14 14 or 15
Communication PSP, USART, SSP
(SPI, I
2
C Slave)
PSP, USART, SSP
(SPI, I
2
C Master/Slave)
PSP, USART, SSP
(SPI, I
2
C Master/Slave)
Frequency 20 MHz 20 MHz 20 MHz
Voltage 2.5V-5.5V 2.2V-5.5V 2.0V-5.5V
A/D 8-bit,
4 conversion clock selects
10-bit,
4 conversion clock selects
10-bit,
7 conversion clock selects
CCP 2 2 2
Comparator — — 2
Comparator Voltage
Reference
——Yes
Program Memory 4K, 8K EPROM 4K, 8K Flash
(Erase/Write on
single-word)
4K, 8K Flash
(Erase/Write on
four-word blocks)
RAM 192, 368 bytes 192, 368 bytes 192, 368 bytes
EEPROM Data None 128, 256 bytes 128, 256 bytes
Code Protection On/Off Segmented, starting at end
of program memory
On/Off
Program Memory
Write Protection
— On/Off Segmented, starting at
beginning of
program memory
Other  In-Circuit Debugger,
Low-Voltage Programming
In-Circuit Debugger,
Low-Voltage Programming