PIC17C44T datasheet(3/240 Pages) MICROCHIP

Part #	PIC17C44T

Description	High-Performance 8-Bit CMOS EPROM/ROM Microcontroller

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DS30412C-page 3

PIC17C4X

Table of Contents

1.0

Overview .............................................................................................................................................................. 5

2.0

PIC17C4X Device Varieties ................................................................................................................................. 7

3.0

Architectural Overview ......................................................................................................................................... 9

4.0

Reset .................................................................................................................................................................. 15

5.0

Interrupts ............................................................................................................................................................ 21

6.0

Memory Organization ......................................................................................................................................... 29

7.0

Table Reads and Table Writes........................................................................................................................... 43

8.0

Hardware Multiplier ............................................................................................................................................ 49

9.0

I/O Ports ............................................................................................................................................................. 53

10.0

Overview of Timer Resources ............................................................................................................................ 65

11.0

Timer0 ................................................................................................................................................................ 67

12.0

Timer1, Timer2, Timer3, PWMs and Captures................................................................................................... 71

13.0

Universal Synchronous Asynchronous Receiver Transmitter (USART) Module ................................................ 83

14.0

Special Features of the CPU.............................................................................................................................. 99

15.0

Instruction Set Summary .................................................................................................................................. 107

16.0

Development Support....................................................................................................................................... 143

17.0

PIC17C42 Electrical Characteristics ................................................................................................................ 147

18.0

PIC17C42 DC and AC Characteristics............................................................................................................. 163

19.0

PIC17CR42/42A/43/R43/44 Electrical Characteristics..................................................................................... 175

20.0

PIC17CR42/42A/43/R43/44 DC and AC Characteristics ................................................................................. 193

21.0

Packaging Information...................................................................................................................................... 205

Appendix A: Modifications .......................................................................................................................................... 211

Appendix B: Compatibility........................................................................................................................................... 211

Appendix C: What’s New ............................................................................................................................................ 212

Appendix D: What’s Changed..................................................................................................................................... 212

Appendix E: PIC16/17 Microcontrollers ...................................................................................................................... 213

Appendix F: Errata for PIC17C42 Silicon ................................................................................................................... 223

Index ............................................................................................................................................................................ 226

PIC17C4X Product Identification System .................................................................................................................... 237

For register and module descriptions in this data sheet, device legends show which devices apply to those sections.

For example, the legend below shows that some features of only the PIC17C43, PIC17CR43, PIC17C44 are described

in this section.

Applicable Devices

42 R42 42A 43 R43 44

To Our Valued Customers

We constantly strive to improve the quality of all our products and documentation. We have spent an excep-

tional amount of time to ensure that these documents are correct. However, we realize that we may have

missed a few things. If you ﬁnd any information that is missing or appears in error from the previous version of

the PIC17C4X Data Sheet (Literature Number DS30412B), please use the reader response form in the back

of this data sheet to inform us. We appreciate your assistance in making this a better document.

To assist you in the use of this document, Appendix C contains a list of new information in this data sheet,

while Appendix D contains information that has changed

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