PIC18LF2420 查看數據表（PDF） - Microchip Technology

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PIC18LF2420

28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2420/2520/4420/4520

Table of Contents

1.0 Device Overview .......................................................................................................................................................................... 7

2.0 Oscillator Configurations ............................................................................................................................................................ 23

3.0 Power Managed Modes ............................................................................................................................................................. 33

4.0 Reset .......................................................................................................................................................................................... 41

5.0 Memory Organization ................................................................................................................................................................. 53

6.0 Flash Program Memory.............................................................................................................................................................. 73

7.0 Data EEPROM Memory ............................................................................................................................................................. 83

8.0 8 x 8 Hardware Multiplier............................................................................................................................................................ 89

9.0 Interrupts .................................................................................................................................................................................... 91

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 Receiver Transmitter (EUSART)....................................................................................... 201

19.0 10-Bit Analog-to-Digital Converter (A/D) Module ..................................................................................................................... 223

20.0 Comparator Module.................................................................................................................................................................. 233

21.0 Comparator Voltage Reference Module................................................................................................................................... 239

22.0 High/Low-Voltage Detect (HLVD)............................................................................................................................................. 243

23.0 Special Features of the CPU.................................................................................................................................................... 249

24.0 Instruction Set Summary .......................................................................................................................................................... 267

25.0 Development Support............................................................................................................................................................... 317

26.0 Electrical Characteristics .......................................................................................................................................................... 323

27.0 DC and AC Characteristics Graphs and Tables....................................................................................................................... 361

28.0 Packaging Information.............................................................................................................................................................. 363

Appendix A: Revision History............................................................................................................................................................. 371

Appendix B: Device Differences ........................................................................................................................................................ 371

Appendix C: Conversion Considerations ........................................................................................................................................... 372

Appendix D: Migration from Baseline to Enhanced Devices.............................................................................................................. 372

Appendix E: Migration from Mid-Range to Enhanced Devices .......................................................................................................... 373

Appendix F: Migration from High-End to Enhanced Devices ............................................................................................................. 373

Index .................................................................................................................................................................................................. 375

On-Line Support................................................................................................................................................................................. 385

Systems Information and Upgrade Hot Line ...................................................................................................................................... 385

Reader Response .............................................................................................................................................................................. 386

PIC18F2420/2520/4420/4520 Product Identification System ............................................................................................................ 387

 2004 Microchip Technology Inc.

Preliminary

DS39631A-page 5

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