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 1997-2013 Microchip Technology Inc. Preliminary DS30453E-page 1

PIC16C5X

Devices Included in this Data Sheet:

•PIC16C54

• PIC16CR54

•PIC16C55

•PIC16C56

• PIC16CR56

•PIC16C57

• PIC16CR57

•PIC16C58

• PIC16CR58

High-Performance RISC CPU:

• Only 33 single word instructions to learn

• All instructions are single cycle except for pro-

gram branches which are two-cycle

• Operating speed: DC - 40 MHz clock input

DC - 100 ns instruction cycle

• 12-bit wide instructions

• 8-bit wide data path

• Seven or eight special function hardware registers

• Two-level deep hardware stack

• Direct, indirect and relative addressing modes for

data and instructions

Peripheral Features:

• 8-bit real time clock/counter (TMR0) with 8-bit

programmable prescaler

• Power-on Reset (POR)

• Device Reset Timer (DRT)

• Watchdog Timer (WDT) with its own on-chip

RC oscillator for reliable operation

• Programmable Code Protection

• Power saving SLEEP mode

• Selectable oscillator options:

- RC: Low cost RC oscillator

- XT: Standard crystal/resonator

- HS: High speed crystal/resonator

- LP: Power saving, low frequency crystal

CMOS Technology:

• Low power, high speed CMOS EPROM/ROM tech-

nology

• Fully static design

• Wide operating voltage and temperature range:

- EPROM Commercial/Industrial 2.0V to 6.25V

- ROM Commercial/Industrial 2.0V to 6.25V

- EPROM Extended 2.5V to 6.0V

- ROM Extended 2.5V to 6.0V

• Low power consumption

- < 2 mA typical @ 5V, 4 MHz

-15 A typical @ 3V, 32 kHz

- < 0.6 A typical standby current

(with WDT disabled) @ 3V, 0C to 70C

Note: PIC16C5X refers to all revisions of the part

(i.e., PIC16C54 refers to PIC16C54,

PIC16C54A, and PIC16C54C), unless

specifically called out otherwise.

Device Pins I/O

EPROM/

ROM

RAM

PIC16C54 18 12 512 25

PIC16C54A 18 12 512 25

PIC16C54C 18 12 512 25

PIC16CR54A 18 12 512 25

PIC16CR54C 18 12 512 25

PIC16C55 28 20 512 24

PIC16C55A 28 20 512 24

PIC16C56 18 12 1K 25

PIC16C56A 18 12 1K 25

PIC16CR56A 18 12 1K 25

PIC16C57 28 20 2K 72

PIC16C57C 28 20 2K 72

PIC16CR57C 28 20 2K 72

PIC16C58B 18 12 2K 73

PIC16CR58B 18 12 2K 73

Note: In this document, figure and table titles

refer to all varieties of the part number indi-

cated, (i.e., The title “Figure 15-1: Load

Conditions For Device Timing Specifica-

tions - PIC16C54A”, also refers to

PIC16LC54A and PIC16LV54A parts),

unless specifically called out otherwise.

EPROM/ROM-Based 8-bit CMOS Microcontroller Series

 1997-2013 Microchip Technology Inc. Preliminary DS30453E-page 3

PIC16C5X

Table of Contents

1.0 General Description...................................................................................................................................................................... 5

2.0 PIC16C5X Device Varieties ......................................................................................................................................................... 7

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

4.0 Oscillator Configurations ............................................................................................................................................................ 15

5.0 Reset.......................................................................................................................................................................................... 19

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

7.0 I/O Ports ..................................................................................................................................................................................... 35

8.0 Timer0 Module and TMR0 Register ........................................................................................................................................... 37

9.0 Special Features of the CPU...................................................................................................................................................... 43

10.0 Instruction Set Summary............................................................................................................................................................ 49

11.0 Development Support................................................................................................................................................................. 61

12.0 Electrical Characteristics - PIC16C54/55/56/57 ......................................................................................................................... 67

13.0 Electrical Characteristics - PIC16CR54A ................................................................................................................................... 79

14.0 Device Characterization - PIC16C54/55/56/57/CR54A.............................................................................................................. 91

15.0 Electrical Characteristics - PIC16C54A.................................................................................................................................... 103

16.0 Device Characterization - PIC16C54A..................................................................................................................................... 117

17.0 Electrical Characteristics - PIC16C54C/CR54C/C55A/C56A/CR56A/C57C/CR57C/C58B/CR58B ........................................ 131

18.0 Device Characterization - PIC16C54C/CR54C/C55A/C56A/CR56A/C57C/CR57C/C58B/CR58B.......................................... 145

19.0 Electrical Characteristics - PIC16C54C/C55A/C56A/C57C/C58B 40MHz............................................................................... 155

20.0 Device Characterization - PIC16C54C/C55A/C56A/C57C/C58B 40MHz ................................................................................ 165

21.0 Packaging Information.............................................................................................................................................................. 171

Appendix A: Compatibility ............................................................................................................................................................. 182

On-Line Support................................................................................................................................................................................. 187

Reader Response .............................................................................................................................................................................. 188

Product Identification System ............................................................................................................................................................ 189

TO OUR VALUED CUSTOMERS

It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip

products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and

enhanced as new volumes and updates are introduced.

If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via

E-mail at docerrors@mail.microchip.com or fax the Reader Response Form in the back of this data sheet to (480) 792-4150.

We welcome your feedback.

Most Current Data Sheet

To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at:

http://www.microchip.com

You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.

The last character of the literature number is the version number, (e.g., DS30000A is version A of document DS30000).

Errata

An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for current

devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the revision

of silicon and revision of document to which it applies.

To determine if an errata sheet exists for a particular device, please check with one of the following:

• Microchip’s Worldwide Web site; http://www.microchip.com

• Your local Microchip sales office (see last page)

• The Microchip Corporate Literature Center; U.S. FAX: (480) 792-7277

When contacting a sales office or the literature center, please specify which device, revision of silicon and data sheet (include liter-

ature number) you are using.

Customer Notification System

 1997-2013 Microchip Technology Inc. Preliminary DS30453E-page 5

PIC16C5X

1.0 GENERAL DESCRIPTION

The PIC16C5X from Microchip Technology is a family

of low cost, high performance, 8-bit fully static,

EPROM/ROM-based CMOS microcontrollers. It

employs a RISC architecture with only 33 single word/

single cycle instructions. All instructions are single

cycle except for program branches which take two

cycles. The PIC16C5X delivers performance in an

order of magnitude higher than its competitors in the

same price category. The 12-bit wide instructions are

highly symmetrical resulting in 2:1 code compression

over other 8-bit microcontrollers in its class. The easy

to use and easy to remember instruction set reduces

development time significantly.

The PIC16C5X products are equipped with special fea-

tures that reduce system cost and power requirements.

The Power-on Reset (POR) and Device Reset Timer

(DRT) eliminate the need for external RESET circuitry.

There are four oscillator configurations to choose from,

including the power saving LP (Low Power) oscillator

and cost saving RC oscillator. Power saving SLEEP

mode, Watchdog Timer and Code Protection features

improve system cost, power and reliability.

The UV erasable CERDIP packaged versions are ideal

for code development, while the cost effective One

Time Programmable (OTP) versions are suitable for

production in any volume. The customer can take full

advantage of Microchip’s price leadership in OTP

microcontrollers, while benefiting from the OTP’s

flexibility.

The PIC16C5X products are supported by a full fea-

tured macro assembler, a software simulator, an in-cir-

cuit emulator, a low cost development programmer and

a full featured programmer. All the tools are supported

on IBM



PC and compatible machines.

1.1 Applications

The PIC16C5X series fits perfectly in applications rang-

ing from high speed automotive and appliance motor

control to low power remote transmitters/receivers,

pointing devices and telecom processors. The EPROM

technology makes customizing application programs

(transmitter codes, motor speeds, receiver frequen-

cies, etc.) extremely fast and convenient. The small

footprint packages, for through hole or surface mount-

ing, make this microcontroller series perfect for applica-

tions with space limitations. Low cost, low power, high

performance ease of use and I/O flexibility make the

PIC16C5X series very versatile even in areas where no

microcontroller use has been considered before (e.g.,

timer functions, replacement of “glue” logic in larger

systems, co-processor applications).

8-Bit EPROM/ROM-Based CMOS Microcontrollers

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