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1995 Microchip Technology Inc.
DS39005D-page 3
MTA81010
Table of Contents
Page
1.0
General Description ................................................................................................................................................................... 4
2.0
Microcontroller Section .............................................................................................................................................................. 5
3.0
Operational Register Files ......................................................................................................................................................... 7
4.0
I/O Registers (ports)................................................................................................................................................................. 20
5.0
General Purpose Registers...................................................................................................................................................... 22
6.0
Special Purpose Registers....................................................................................................................................................... 22
7.0
Reset Condition ....................................................................................................................................................................... 23
8.0
Prescaler.................................................................................................................................................................................. 24
9.0
Basic Instruction Set Summary................................................................................................................................................ 25
10.0
Watchdog Timer (WDT) ........................................................................................................................................................... 32
11.0
Oscillator Circuits ..................................................................................................................................................................... 33
12.0
Oscillator Start-Up Timer (OST)............................................................................................................................................... 35
13.0
Power Down Mode (SLEEP).................................................................................................................................................... 39
14.0
Configuration Fuses................................................................................................................................................................. 40
15.0
Electrical Characteristics.......................................................................................................................................................... 41
16.0
DC and AC Characteristics ...................................................................................................................................................... 52
17.0
Serial EEPROM Section .......................................................................................................................................................... 60
18.0
Serial EEPROM Functional Description................................................................................................................................... 61
19.0
Bus Characteristics .................................................................................................................................................................. 62
20.0
Electrical Characteristics.......................................................................................................................................................... 67
21.0
Packaging diagrams and dimensions ...................................................................................................................................... 70