
PIC18FXX20
DS39580A-page 4
Advance Information
2001 Microchip Technology Inc.
Table of Contents
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0 I/O Ports ..................................................................................................................................................................................... 99
11.0 Timer0 Module ......................................................................................................................................................................... 127
12.0 Timer1 Module ......................................................................................................................................................................... 131
13.0 Timer2 Module ......................................................................................................................................................................... 135
14.0 Timer3 Module ......................................................................................................................................................................... 137
15.0 Timer4 Module ......................................................................................................................................................................... 141
16.0 Capture/Compare/PWM (CCP) Modules ................................................................................................................................. 143
17.0 Master Synchronous Serial Port (MSSP) Module .................................................................................................................... 151
18.0 Addressable Universal Synchronous Asynchronous Receiver Transmitter (USART).............................................................. 191
19.0 10-bit Analog-to-Digital Converter (A/D) Module...................................................................................................................... 207
20.0 Comparator Module.................................................................................................................................................................. 217
21.0 Comparator Voltage Reference Module................................................................................................................................... 223
22.0 Low Voltage Detect .................................................................................................................................................................. 227
23.0 Special Features of the CPU.................................................................................................................................................... 233
24.0 Instruction Set Summary.......................................................................................................................................................... 251
25.0 Development Support............................................................................................................................................................... 293
26.0 Electrical Characteristics.......................................................................................................................................................... 299
27.0 DC and AC Characteristics Graphs and Tables....................................................................................................................... 331
28.0 Packaging Information.............................................................................................................................................................. 333
Appendix A: Revision History............................................................................................................................................................. 337
Appendix B: Device Differences......................................................................................................................................................... 337
Appendix C: Conversion Considerations ........................................................................................................................................... 338
Appendix D: Migration from Mid-Range to Enhanced Devices.......................................................................................................... 338
Appendix E: Migration from High-End to Enhanced Devices............................................................................................................. 339
Index .................................................................................................................................................................................................. 341
On-Line Support................................................................................................................................................................................. 351
Reader Response.............................................................................................................................................................................. 352
PIC18FXX20 Product Identification System....................................................................................................................................... 353
Device Overview .......................................................................................................................................................................... 7
Oscillator Configurations ............................................................................................................................................................ 21
Reset.......................................................................................................................................................................................... 29
Memory Organization................................................................................................................................................................. 39
FLASH Program Memory........................................................................................................................................................... 61
External Memory Interface ......................................................................................................................................................... 71
Data EEPROM Memory ............................................................................................................................................................. 77
8 X 8 Hardware Multiplier........................................................................................................................................................... 81
Interrupts .................................................................................................................................................................................... 83