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2007 Microchip Technology Inc.
Preliminary
DS39755B-page 5
PIC18F2423/2523/4423/4523
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................................................................................................................................................................................... 105
11.0 Timer0 Module ......................................................................................................................................................................... 123
12.0 Timer1 Module ......................................................................................................................................................................... 127
13.0 Timer2 Module ......................................................................................................................................................................... 133
14.0 Timer3 Module ......................................................................................................................................................................... 135
15.0 Capture/Compare/PWM (CCP) Modules ................................................................................................................................. 139
16.0 Enhanced Capture/Compare/PWM (ECCP) Module................................................................................................................ 147
17.0 Master Synchronous Serial Port (MSSP) Module .................................................................................................................... 161
18.0 Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART)............................................................... 205
19.0 12-Bit Analog-to-Digital Converter (A/D) Module ..................................................................................................................... 227
20.0 Comparator Module.................................................................................................................................................................. 237
21.0 Comparator Voltage Reference Module................................................................................................................................... 243
22.0 High/Low-Voltage Detect (HLVD)............................................................................................................................................. 247
23.0 Special Features of the CPU.................................................................................................................................................... 253
24.0 Instruction Set Summary.......................................................................................................................................................... 271
25.0 Development Support............................................................................................................................................................... 321
26.0 Electrical Characteristics.......................................................................................................................................................... 325
27.0 DC and AC Characteristics Graphs and Tables....................................................................................................................... 363
28.0 Packaging Information.............................................................................................................................................................. 365
Appendix A: Revision History............................................................................................................................................................. 373
Appendix B: Device Differences ........................................................................................................................................................ 373
Appendix C: Conversion Considerations ........................................................................................................................................... 374
Appendix D: Migration from Baseline to Enhanced Devices.............................................................................................................. 374
Appendix E: Migration from Mid-Range to Enhanced Devices.......................................................................................................... 375
Appendix F: Migration from High-End to Enhanced Devices............................................................................................................. 375
Index ................................................................................................................................................................................................. 377
The Microchip Web Site..................................................................................................................................................................... 387
Customer Change Notification Service.............................................................................................................................................. 387
Customer Support.............................................................................................................................................................................. 387
Reader Response.............................................................................................................................................................................. 388
PIC18F2423/2523/4423/4523 Product Identification System ............................................................................................................ 389
Device Overview .......................................................................................................................................................................... 7
Oscillator Configurations............................................................................................................................................................ 23
Power-Managed Modes............................................................................................................................................................. 33
Reset.......................................................................................................................................................................................... 41
Memory Organization................................................................................................................................................................. 53
Flash Program Memory.............................................................................................................................................................. 73
Data EEPROM Memory............................................................................................................................................................. 83
8 x 8 Hardware Multiplier............................................................................................................................................................ 89
Interrupts.................................................................................................................................................................................... 91