PIC16F688T-E/SN datasheet, PDF

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PIC16F688T-E/SN: Description8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO14, 0.150 INCH, PLASTIC, MS-012, SO-14; CategoryThe embedded processor and controller Microcontrollers and processors; File Size5MB，178 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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PIC16F688T-E/SN Overview

8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO14, 0.150 INCH, PLASTIC, MS-012, SO-14

PIC16F688T-E/SN Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Microchip
Parts packaging code	SOIC
package instruction	0.150 INCH, PLASTIC, MS-012, SO-14
Contacts	14
Reach Compliance Code	compliant
Has ADC	YES
Other features	OPERATES AT 2.5 V MINIMUM SUPPLY @ 4 MHZ
Address bus width
bit size	8
maximum clock frequency	20 MHz
DAC channel	NO
DMA channel	NO
External data bus width
JESD-30 code	R-PDSO-G14
JESD-609 code	e3
length	8.69 mm
Humidity sensitivity level	1
Number of I/O lines	12
Number of terminals	14
On-chip program ROM width	14
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
PWM channel	NO
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
RAM (bytes)	256
rom(word)	4096
ROM programmability	FLASH
Maximum seat height	1.75 mm
speed	20 MHz
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	3.9 mm
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER, RISC

PIC16F688T-E/SN Preview

PIC16F688

Data Sheet

14-Pin FLASH-Based 8-Bit

CMOS Microcontrollers with

nanoWatt Technology



2003 Microchip Technology Inc.

Advance Information

DS41203A

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 intended through suggestion only

and may be superseded by updates.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

ensure that your application meets with your specifications.

No representation or warranty is given and no liability is

assumed by Microchip Technology Incorporated with respect

to the accuracy or use of such information, or infringement of

patents or other intellectual property rights arising from such

use or otherwise. Use of Microchip’s products as critical

components in life support systems is not authorized except

with express written approval by Microchip. No licenses are

conveyed, implicitly or otherwise, under any intellectual

property rights.

Trademarks

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

, MPLAB, PIC, PICmicro, PICSTART, PRO MATE

and PowerSmart are registered trademarks of Microchip

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

FilterLab, microID, MXDEV, MXLAB, PICMASTER, SEEVAL

and The Embedded Control Solutions Company are

registered trademarks of Microchip Technology Incorporated

in the U.S.A.

Accuron, Application Maestro, dsPICDEM, dsPICDEM.net,

ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-

Circuit Serial Programming, ICSP, ICEPIC, microPort,

Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM,

PICC, PICkit, PICDEM, PICDEM.net, PowerCal, PowerInfo,

PowerMate, PowerTool, rfLAB, rfPIC, Select Mode,

SmartSensor, SmartShunt, SmartTel and Total Endurance

are trademarks of Microchip Technology Incorporated in the

U.S.A. and other countries.

Serialized Quick Turn Programming (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.

Microchip received QS-9000 quality system

certification for its worldwide headquarters,

design and wafer fabrication facilities in

Chandler and Tempe, Arizona in July 1999

and Mountain View, California in March 2002.

The Company’s quality system processes and

procedures are QS-9000 compliant for its

PICmicro

8-bit MCUs, K

code hopping

devices, Serial EEPROMs, microperipherals,

non-volatile memory and analog products. In

addition, Microchip’s quality system for the

design and manufacture of development

systems is ISO 9001 certified.

DS41203A-page ii

Advance Information



2003 Microchip Technology Inc.

PIC16F688

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

µA

@ 32 kHz, 2.0V, typical

- 100

µA

@ 1 MHz, 2.0V, typical

• Watchdog Timer Current:

- 1

µA

@ 2.0V, typical

Peripheral Features

Special Microcontroller Features

• Precision Internal Oscillator

- Factory calibrated to ±1%

- Software selectable frequency range of

8 MHz to 31 kHz

- Software adjustable

- Two-Speed Start-up mode

- Crystal fail detect for critical applications

- Clock mode switching during operation for

low-power operation

• Power-saving SLEEP mode

• Wide operating voltage range (2.0V-5.5V)

• Industrial and Extended temperature range

• Power-on Reset (POR)

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

Timer (OST)

• Brown-out Detect (BOD) with software control

option

• Enhanced Low Current Watchdog Timer (WDT)

with on-chip oscillator (software selectable

nominal 268 seconds with full prescaler) with

software enable

• Multiplexed master clear with pull-up/input pin

• 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)

4096

• 12 I/O pins with individual direction control

- High current source/sink for direct LED drive

- Interrupt-on-pin change

- Individually programmable weak pull-ups

- Ultra Low-power Wake-up

• Analog comparator module with:

- Two analog comparators

- Programmable on-chip voltage reference

(CV

REF

) module (% of V

)

- Comparator inputs and outputs externally

accessible

• A/D Converter

- 10-bit resolution and 8 channels

• 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

• Timer2: 8-bit timer/counter with 8-bit period

• Enhanced USART Module

- Supports RS-485, RS-232, and LIN 1.2

- Auto baud detect

- Auto-wake-up on START bit

• In-Circuit Serial Programming

(ICSP

) via two

pins

Data Memory

SRAM

(bytes)

256

EEPROM

(bytes)

256

I/O

Device

10-bit A/D

(ch)

Comparators

Timers

8/16-bit

2/1

PIC16F688



2003 Microchip Technology Inc.

Advance Information

DS41203A-page 1

PIC16F688

Pin Diagram

14-pin PDIP, SOIC, TSSOP

RA5/T1CKI/OSC1/CLKIN

RA4/AN3/T1G/OSC2/CLKOUT

RA3/MCLR/V

RC5/RX/DT

RC4/C2OUT/TX/CK

RC3/AN7

RA0/AN0/C1IN+/ICSPDAT

RA1/AN1/C1IN-/V

REF

/ICSPCLK

RA2/AN2/T0CKI/INT/C1OUT

RC0/AN4/C2IN+

RC1/AN5/C2IN-

RC2/AN6

DS41203A-page 2

Advance Information

PIC16F688



2003 Microchip Technology Inc.

PIC16F688

Table of Contents

1.0 Device Overview ......................................................................................................................................................................... 5

2.0 Memory Organization .................................................................................................................................................................. 7

3.0 Oscillator Configurations ........................................................................................................................................................... 21

4.0 I/O Ports .................................................................................................................................................................................... 35

5.0 Timer0 Module .......................................................................................................................................................................... 49

6.0 Timer1 Module with Gate Control.............................................................................................................................................. 53

7.0 Comparator Module................................................................................................................................................................... 57

8.0 Enhanced Universal Asynchronous Receiver Transmitter (EUSART) ...................................................................................... 65

9.0 Analog-to-Digital Converter (A/D) Module................................................................................................................................. 89

10.0 Data EEPROM and FLASH Program Memory Control ............................................................................................................. 97

11.0 Special Features of the CPU................................................................................................................................................... 103

12.0 Instruction Set Summary ......................................................................................................................................................... 127

13.0 Development Support.............................................................................................................................................................. 135

14.0 Electrical Specifications........................................................................................................................................................... 141

15.0 Packaging Information............................................................................................................................................................. 163

Appendix A: Data Sheet Revision History......................................................................................................................................... 167

Appendix B: Migrating from other PICmicro® Devices ..................................................................................................................... 167

Index: ................................................................................................................................................................................................. 169

On-Line Support ................................................................................................................................................................................ 173

Systems Information and Upgrade Hot Line ..................................................................................................................................... 173

Reader Response ............................................................................................................................................................................. 174

Product Identification System ........................................................................................................................................................... 175

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

www.microchip.com/cn

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



2003 Microchip Technology Inc.

Advance Information

DS41203A-page 3

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PIC16F688T-E/SN Related Products

	PIC16F688T-E/SN	PIC16F688T-I/SN
Description	8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO14, 0.150 INCH, PLASTIC, MS-012, SO-14	8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO14, 0.150 INCH, PLASTIC, MS-012, SO-14
Is it lead-free?	Lead free	Lead free
Is it Rohs certified?	conform to	conform to
Maker	Microchip	Microchip
Parts packaging code	SOIC	SOIC
package instruction	0.150 INCH, PLASTIC, MS-012, SO-14	0.150 INCH, PLASTIC, MS-012, SO-14
Contacts	14	14
Reach Compliance Code	compliant	compliant
Has ADC	YES	YES
Other features	OPERATES AT 2.5 V MINIMUM SUPPLY @ 4 MHZ	OPERATES AT 2.5 V MINIMUM SUPPLY @ 4 MHZ
bit size	8	8
maximum clock frequency	20 MHz	20 MHz
DAC channel	NO	NO
DMA channel	NO	NO
JESD-30 code	R-PDSO-G14	R-PDSO-G14
JESD-609 code	e3	e3
length	8.69 mm	8.69 mm
Humidity sensitivity level	1	1
Number of I/O lines	12	12
Number of terminals	14	14
On-chip program ROM width	14	14
Maximum operating temperature	125 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
PWM channel	NO	NO
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260	260
Certification status	Not Qualified	Not Qualified
RAM (bytes)	256	256
rom(word)	4096	4096
ROM programmability	FLASH	FLASH
Maximum seat height	1.75 mm	1.75 mm
speed	20 MHz	20 MHz
Maximum supply voltage	5.5 V	5.5 V
Minimum supply voltage	4.5 V	4.5 V
Nominal supply voltage	5 V	5 V
surface mount	YES	YES
technology	CMOS	CMOS
Temperature level	AUTOMOTIVE	INDUSTRIAL
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING
Terminal pitch	1.27 mm	1.27 mm
Terminal location	DUAL	DUAL
Maximum time at peak reflow temperature	40	40
width	3.9 mm	3.9 mm
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC

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