41594B datasheet(7/372 Pages) MICROCHIP

7 / 372 page

 2011-2012 Microchip Technology Inc.

Preliminary

DS41594B-page 7

PIC12LF1840T48A

Table of Contents

1.0

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

2.0

Enhanced Mid-Range CPU ........................................................................................................................................................ 13

3.0

Memory Organization ................................................................................................................................................................. 15

4.0

Device Configuration .................................................................................................................................................................. 41

5.0

Oscillator Module (With Fail-Safe Clock Monitor)....................................................................................................................... 47

6.0

Reference Clock Module ............................................................................................................................................................ 65

7.0

Resets ........................................................................................................................................................................................ 69

8.0

Interrupts .................................................................................................................................................................................... 77

9.0

Power-Down Mode (Sleep) ........................................................................................................................................................ 89

10.0 Watchdog Timer (WDT) ............................................................................................................................................................. 91

11.0 Data EEPROM and Flash Program Memory Control ................................................................................................................. 95

12.0 I/O Ports ................................................................................................................................................................................... 109

13.0 Interrupt-on-Change ................................................................................................................................................................. 117

14.0 Fixed Voltage Reference (FVR) ............................................................................................................................................... 121

15.0 Temperature Indicator .............................................................................................................................................................. 123

16.0 Analog-to-Digital Converter (ADC) Module .............................................................................................................................. 125

17.0 Digital-to-Analog Converter (DAC) Module .............................................................................................................................. 139

18.0 SR Latch................................................................................................................................................................................... 143

19.0 Comparator Module.................................................................................................................................................................. 149

20.0 Timer0 Module ......................................................................................................................................................................... 157

21.0 Timer1 Module ......................................................................................................................................................................... 161

22.0 Timer2 Modules........................................................................................................................................................................ 173

23.0 Data Signal Modulator (DSM) .................................................................................................................................................. 177

24.0 Capture/Compare/PWM Module .............................................................................................................................................. 187

25.0 Master Synchronous Serial Port (MSSP) Module .................................................................................................................... 209

26.0 Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) ............................................................... 263

27.0 Capacitive Sensing (CPS) Module ........................................................................................................................................... 291

28.0 RF Transmitter ......................................................................................................................................................................... 299

29.0 In-Circuit Serial Programming™ (ICSP™) ................................................................................................................................303

30.0 Instruction Set Summary .......................................................................................................................................................... 307

31.0 Electrical Specifications............................................................................................................................................................ 321

32.0 DC and AC Characteristics Graphs and Tables....................................................................................................................... 351

33.0 Development Support............................................................................................................................................................... 353

34.0 Packaging Information.............................................................................................................................................................. 357

Appendix A: Revision History............................................................................................................................................................. 361

Appendix B: Device Differences ........................................................................................................................................................ 361

Index .................................................................................................................................................................................................. 363

The Microchip Web Site..................................................................................................................................................................... 369

Customer Change Notification Service .............................................................................................................................................. 369

Customer Support.............................................................................................................................................................................. 369

Reader Response .............................................................................................................................................................................. 370

Product Identification System ............................................................................................................................................................ 371

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