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PIC16F630/676

Data Sheet

14-Pin, Flash-Based 8-Bit

CMOS Microcontrollers



2010 Microchip Technology Inc.

DS40039F

Note the following details of the code protection feature on Microchip devices:

•

Microchip products meet the specification contained in their particular Microchip Data Sheet.

Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the

intended manner and under normal conditions.

There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our

knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data

Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

Microchip is willing to work with the customer who is concerned about the integrity of their code.

Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not

mean that we are guaranteeing the product as “unbreakable.”

•

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our

products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts

allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

Information contained in this publication regarding device

applications and the like is provided only for your convenience

and may be superseded by updates. It is your responsibility to

ensure that your application meets with your specifications.

MICROCHIP MAKES NO REPRESENTATIONS OR

WARRANTIES OF ANY KIND WHETHER EXPRESS OR

IMPLIED, WRITTEN OR ORAL, STATUTORY OR

OTHERWISE, RELATED TO THE INFORMATION,

INCLUDING BUT NOT LIMITED TO ITS CONDITION,

QUALITY, PERFORMANCE, MERCHANTABILITY OR

FITNESS FOR PURPOSE. Microchip disclaims all liability

arising from this information and its use. Use of Microchip

devices in life support and/or safety applications is entirely at

the buyer’s risk, and the buyer agrees to defend, indemnify and

hold harmless Microchip from any and all damages, claims,

suits, or expenses resulting from such use. No licenses are

conveyed, implicitly or otherwise, under any Microchip

intellectual property rights.

Trademarks

The Microchip name and logo, the Microchip logo, dsPIC,

, K

logo, MPLAB, PIC, PICmicro, PICSTART,

PIC

logo, rfPIC and UNI/O are registered trademarks of

Microchip Technology Incorporated in the U.S.A. and other

countries.

FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor,

MXDEV, MXLAB, SEEVAL and The Embedded Control

Solutions Company are registered trademarks of Microchip

Technology Incorporated in the U.S.A.

Analog-for-the-Digital Age, Application Maestro, CodeGuard,

dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN,

ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial

Programming, ICSP, Mindi, MiWi, MPASM, MPLAB Certified

logo, MPLIB, MPLINK, mTouch, Octopus, Omniscient Code

Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit,

PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance,

TSHARC, UniWinDriver, WiperLock and ZENA are

trademarks of Microchip Technology Incorporated in the

U.S.A. and other countries.

SQTP is a service mark of Microchip Technology Incorporated

in the U.S.A.

All other trademarks mentioned herein are property of their

respective companies.

Printed on recycled paper.

ISBN: 978-1-60932-173-4

Microchip received ISO/TS-16949:2002 certification for its worldwide

headquarters, design and wafer fabrication facilities in Chandler and

Tempe, Arizona; Gresham, Oregon and design centers in California

and India. The Company’s quality system processes and procedures

are for its PIC

MCUs and dsPIC

DSCs, K

code hopping

devices, Serial EEPROMs, microperipherals, nonvolatile memory and

analog products. In addition, Microchip’s quality system for the design

and manufacture of development systems is ISO 9001:2000 certified.

DS40039F-page 2



2010 Microchip Technology Inc.

PIC16F630/676

14-Pin, Flash-Based 8-Bit CMOS Microcontroller

High-Performance RISC CPU:

• Only 35 Instructions to Learn

- All single-cycle instructions except branches

• Operating Speed:

- DC – 20 MHz oscillator/clock input

- DC – 200 ns instruction cycle

• Interrupt Capability

• 8-level Deep Hardware Stack

• Direct, Indirect, and Relative Addressing modes

Low-Power Features:

• Standby Current:

- 1 nA @ 2.0V, typical

• Operating Current:

- 8.5

A

@ 32 kHz, 2.0V, typical

- 100

A

@ 1 MHz, 2.0V, typical

• Watchdog Timer Current

- 300 nA @ 2.0V, typical

• Timer1 Oscillator Current:

- 4

A

@ 32 kHz, 2.0V, typical

Special Microcontroller Features:

• Internal and External Oscillator Options

- Precision Internal 4 MHz oscillator factory

calibrated to ±1%

- External Oscillator support for crystals and

resonators

- 5

s

wake-up from Sleep, 3.0V, typical

• Power-Saving Sleep mode

• Wide Operating Voltage Range – 2.0V to 5.5V

• Industrial and Extended Temperature Range

• Low-Power Power-on Reset (POR)

• Power-up Timer (PWRT) and Oscillator Start-up

Timer (OST)

• Brown-out Detect (BOD)

• Watchdog Timer (WDT) with Independent

Oscillator for Reliable Operation

• Multiplexed MCLR/Input-pin

• Interrupt-on-Pin Change

• Individual Programmable Weak Pull-ups

• Programmable Code Protection

• High Endurance Flash/EEPROM Cell

- 100,000 write Flash endurance

- 1,000,000 write EEPROM endurance

- Flash/data EEPROM retention: > 40 years

Program

Memory

Flash

(words)

1024

Data Memory

SRAM

(bytes)

EEPROM

(bytes)

128

Peripheral Features:

• 12 I/O Pins with Individual Direction Control

• High Current Sink/Source for Direct LED Drive

• Analog Comparator module with:

- One analog comparator

- Programmable on-chip comparator voltage

reference (CV

REF

) module

- Programmable input multiplexing from device

inputs

- Comparator output is externally accessible

• Analog-to-Digital Converter module (PIC16F676):

- 10-bit resolution

- Programmable 8-channel input

- Voltage reference input

• Timer0: 8-bit Timer/Counter with 8-bit

Programmable Prescaler

• Enhanced Timer1:

- 16-bit timer/counter with prescaler

- External Gate Input mode

- Option to use OSC1 and OSC2 in LP mode

as Timer1 oscillator, if INTOSC mode

selected

• In-Circuit Serial Programming

(ICSP

) via

two pins

10-bit A/D

(ch)

–

Timers

8/16-bit

1/1

Device

I/O

Comparators

PIC16F630

PIC16F676



2010 Microchip Technology Inc.

DS40039F-page 3

PIC16F630/676

Pin Diagrams

14-pin PDIP, SOIC, TSSOP

RA5/T1CKI/OSC1/CLKIN

RA4/T1G/OSC2/CLKOUT

RA3/MCLR/V

RC5

RC4

RC3

RA0/CIN+/ICSPDAT

RA1/CIN-/ICSPCLK

RA2/COUT/T0CKI/INT

RC0

RC1

RC2

RA5/T1CKI/OSC1/CLKIN

RA4/T1G/OSC2/AN3/CLKOUT

RA3/MCLR/V

RC5

RC4

RC3/AN7

PIC16F630

RA0/AN0/CIN+/ICSPDAT

RA1/AN1/CIN-/V

REF

/ICSPCLK

RA2/AN2/COUT/T0CKI/INT

RC0/AN4

RC1/AN5

RC2/AN6

PIC16F676

DS40039F-page 4



2010 Microchip Technology Inc.

PIC16F630/676

Table of Contents

1.0 Device Overview ......................................................................................................................................................................... 7

2.0 Memory Organization .................................................................................................................................................................. 9

3.0 Ports A and C ............................................................................................................................................................................ 21

4.0 Timer0 Module .......................................................................................................................................................................... 31

5.0 Timer1 Module with Gate Control ............................................................................................................................................. 34

6.0 Comparator Module .................................................................................................................................................................. 39

7.0 Analog-to-Digital Converter (A/D) Module (PIC16F676 only) ................................................................................................... 45

8.0 Data EEPROM Memory............................................................................................................................................................ 51

9.0 Special Features of the CPU .................................................................................................................................................... 55

10.0 Instruction Set Summary ........................................................................................................................................................... 73

11.0 Development Support ............................................................................................................................................................... 81

12.0 Electrical Specifications ............................................................................................................................................................ 85

13.0 DC and AC Characteristics Graphs and Tables ..................................................................................................................... 107

14.0 Packaging Information ............................................................................................................................................................ 117

Appendix A: Data Sheet Revision History ......................................................................................................................................... 123

Appendix B: Device Differences ....................................................................................................................................................... 123

Appendix C: Device Migrations ......................................................................................................................................................... 124

Appendix D: Migrating from other PIC

Devices .............................................................................................................................. 124

Index ................................................................................................................................................................................................. 125

On-Line Support ................................................................................................................................................................................ 129

Systems Information and Upgrade Hot Line ..................................................................................................................................... 129

Reader Response ............................................................................................................................................................................. 130

Product Identification System ........................................................................................................................................................... 131

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@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)

When contacting a sales office, please specify which device, revision of silicon and data sheet (include literature number) you are

using.

Customer Notification System

www.microchip.com

to receive the most current information on all of our products.



2010 Microchip Technology Inc.

DS40039F-page 5