PIC16F1938 datasheet(13/452 Pages) MICROCHIP

13 / 452 page

 2011 Microchip Technology Inc.

Preliminary

DS41574A-page 13

PIC16(L)F1938/9

Table of Contents

1.0

Device Overview ........................................................................................................................................................................ 15

2.0

Enhanced Mid-Range CPU ........................................................................................................................................................ 23

3.0

Memory Organization ................................................................................................................................................................. 25

4.0

Device Configuration .................................................................................................................................................................. 57

5.0

Oscillator Module (With Fail-Safe Clock Monitor)....................................................................................................................... 63

6.0

Resets ........................................................................................................................................................................................ 81

7.0

Interrupts .................................................................................................................................................................................... 89

8.0

Low Dropout (LDO) Voltage Regulator .................................................................................................................................... 103

9.0

Power-Down Mode (Sleep) ...................................................................................................................................................... 105

10.0 Watchdog Timer (WDT) ........................................................................................................................................................... 107

11.0 Data EEPROM and Flash Program Memory Control ............................................................................................................... 111

12.0 I/O Ports ................................................................................................................................................................................... 125

13.0 Interrupt-On-Change ................................................................................................................................................................ 147

14.0 Fixed Voltage Reference.......................................................................................................................................................... 151

15.0 Analog-to-Digital Converter (ADC) Module .............................................................................................................................. 153

16.0 Temperature Indicator Module ................................................................................................................................................. 167

17.0 Digital-to-Analog Converter (DAC) Module .............................................................................................................................. 169

18.0 Comparator Module.................................................................................................................................................................. 173

19.0 SR Latch................................................................................................................................................................................... 183

20.0 Timer0 Module ......................................................................................................................................................................... 187

21.0 Timer1 Module with Gate Control............................................................................................................................................. 191

22.0 Timer2/4/6 Modules.................................................................................................................................................................. 203

23.0 Capture/Compare/PWM Modules (ECCP1, ECCP2, ECCP3, CCP4, CCP5).......................................................................... 207

24.0 Master Synchronous Serial Port (MSSP) Module .................................................................................................................... 237

25.0 Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) ............................................................... 289

26.0 Capacitive Sensing Module...................................................................................................................................................... 317

27.0 Liquid Crystal Display (LCD) Driver Module............................................................................................................................. 327

28.0 In-Circuit Serial Programming™ (ICSP™) ............................................................................................................................... 361

29.0 Instruction Set Summary .......................................................................................................................................................... 365

30.0 Electrical Specifications............................................................................................................................................................ 379

31.0 DC and AC Characteristics Graphs and Charts ....................................................................................................................... 411

32.0 Development Support............................................................................................................................................................... 413

33.0 Packaging Information.............................................................................................................................................................. 417

Appendix A: Data Sheet Revision History.......................................................................................................................................... 439

Appendix B: Migrating From Other PIC® Devices.............................................................................................................................. 439

Index .................................................................................................................................................................................................. 441

The Microchip Web Site..................................................................................................................................................................... 449

Customer Change Notification Service .............................................................................................................................................. 449

Customer Support.............................................................................................................................................................................. 449

Reader Response .............................................................................................................................................................................. 450

Product Identification System ............................................................................................................................................................ 451

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