PIC16F946 Datasheet, PDF (261/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

APPENDIX A: DATA SHEET
REVISION HISTORY
Revision A
This is a new data sheet.
PIC16F946
APPENDIX B: MIGRATING FROM
OTHER PICmicro^®
DEVICES
This discusses some of the issues in migrating from
other PICmicro devices to the PIC16F946 family of
devices.
This device has been designed to perform to the
parameters of its data sheet. It has been tested to an
electrical specification designed to determine its con-
formance with these parameters. Due to process differ-
ences in the manufacture of this device, this device
may have different performance characteristics than its
earlier version. These differences may cause this
device to perform differently in your application than the
earlier version of this device.
B.1 PIC16F917 to PIC16F946
TABLE B-1: FEATURE COMPARISON
Feature
PIC16F917 PIC16F946
Max Operating Speed
Max Program Memory
(Words)
I/O
LCD Segment Drivers
Max SRAM (Bytes)
A/D Resolution
Data EEPROM (bytes)
Timers (8/16-bit)
Oscillator Modes
Brown-out Reset
Internal Pull-ups
Interrupt-on-change
Comparator
USART
Extended WDT
Software Control
Option of WDT/BOR
INTOSC Frequencies
Clock Switching
20 MHz
8K
35
24
352
10-bit
256
2/1
8
Y
RB<7:0>
RB<7:4>
2
Y
Y
Y
32 kHz -
8 MHz
Y
20 MHz
8K
53
42
336
10-bit
256
2/1
8
Y
RB<7:0>
RB<7:4>
2
Y
Y
Y
32 kHz -
8 MHz
Y
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 259