PIC17C44 Datasheet, PDF (3/241 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM/ROM Microcontroller

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
© 1996 Microchip Technology Inc.
DS30412C-page 3