PIC12F635 datasheet(9/234 Pages) MICROCHIP

9 / 234 page

DS41232D-page 7

PIC12F635/PIC16F636/639

Table of Contents

1.0

Device Overview .......................................................................................................................................................................... 9

2.0

Memory Organization ................................................................................................................................................................. 17

3.0

Clock Sources ............................................................................................................................................................................ 35

4.0

I/O Ports ..................................................................................................................................................................................... 47

5.0

Timer0 Module ........................................................................................................................................................................... 61

6.0

Timer1 Module with Gate Control............................................................................................................................................... 64

7.0

Comparator Module.................................................................................................................................................................... 71

8.0

Programmable Low-Voltage Detect (PLVD) Module.................................................................................................................. 87

9.0

Data EEPROM Memory ............................................................................................................................................................. 91

10.0 KEELOQ® Compatible Cryptographic Module ............................................................................................................................. 95

11.0 Analog Front-End (AFE) Functional Description (PIC16F639 Only) .......................................................................................... 97

12.0 Special Features of the CPU.................................................................................................................................................... 129

13.0 Instruction Set Summary .......................................................................................................................................................... 149

14.0 Development Support............................................................................................................................................................... 159

15.0 Electrical Specifications............................................................................................................................................................ 163

16.0 DC and AC Characteristics Graphs and Tables....................................................................................................................... 191

17.0 Packaging Information.............................................................................................................................................................. 211

On-Line Support

223

Systems Information and Upgrade Hot Line ..................................................................................................................................... 223

Reader Response ............................................................................................................................................................................. 224

Appendix A: Data Sheet Revision History......................................................................................................................................... 225

Product Identification System ........................................................................................................................................................... 231

Worldwide Sales and Service ........................................................................................................................................................... 232

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