PIC16F688-I/SL Microchip Technology, PIC16F688-I/SL Datasheet

PIC16F688-I/SL

Manufacturer Part Number

PIC16F688-I/SL

Description

IC PIC MCU FLASH 4KX14 14SOIC

Manufacturer

Microchip Technology

Series

PIC® 16Fr

Datasheets

1.PIC16F616T-ISL.pdf (8 pages)

2.PIC16F688T-ISL.pdf (204 pages)

3.PIC16F688T-ISL.pdf (6 pages)

4.PIC16F688T-ISL.pdf (4 pages)

5.PIC16F688T-ISL.pdf (688 pages)

6.PIC16F688-EP.pdf (174 pages)

Specifications of PIC16F688-I/SL

Program Memory Type

FLASH

Program Memory Size

7KB (4K x 14)

Package / Case

14-SOIC (3.9mm Width), 14-SOL

Core Processor

PIC

Core Size

8-Bit

Speed

20MHz

Connectivity

UART/USART

Peripherals

Brown-out Detect/Reset, POR, WDT

Number Of I /o

Eeprom Size

256 x 8

Ram Size

256 x 8

Voltage - Supply (vcc/vdd)

2 V ~ 5.5 V

Data Converters

A/D 8x10b

Oscillator Type

Internal

Operating Temperature

-40°C ~ 85°C

Processor Series

PIC16F

Core

PIC

Data Bus Width

8 bit

Data Ram Size

256 B

Interface Type

SCI, USART

Maximum Clock Frequency

20 MHz

Number Of Programmable I/os

Number Of Timers

Operating Supply Voltage

2 V to 5.5 V

Maximum Operating Temperature

+ 85 C

Mounting Style

SMD/SMT

3rd Party Development Tools

52715-96, 52716-328, 52717-734

Development Tools By Supplier

PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4

Minimum Operating Temperature

- 40 C

On-chip Adc

8 bit

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

For Use With

XLT14SO-1 - SOCKET TRANSITION 14SOIC 150/208AC162061 - HEADER INTRFC MPLAB ICD2 20PINAC162056 - HEADER INTERFACE ICD2 16F688

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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Quantity

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Part Number:

PIC16F688-I/SL

Current page: 1 of 6
Download datasheet (97Kb)

The PIC16F688 (Rev. A3) parts you have received

conform functionally to the Device Data Sheet

(DS41203D), except for the anomalies described below.

Microchip intends to address all issues listed here in

future revisions of the PIC16F688 silicon.

1. Module: EUSART – Auto-Baud Timer

2. Module: EUSART – False Interrupt When

3. Module: EUSART – WUE Bit Not Clearing

If the auto-baud timer overflows during an Auto-

Baud Detect operation, there will be no interrupt.

The Auto-Baud Detect sequence completion will

still generate an interrupt.

Work around

If using auto-baud during Sleep, ensure there is a

secondary interrupt to wake-up the device if the

auto-baud overflows but does not complete.

Otherwise, poll the auto-baud timer overflow bit

during the Auto-Baud Detect sequence to detect

the overflow condition and reset the auto-baud

process. Check the auto-baud timer overflow bit

before using the generated baud rate.

A false interrupt will be incorrectly generated if an

Auto-Baud Detect operation is terminated early by

clearing the Auto-Baud Enable bit, ABDEN.

Work around

If you must abort Auto-Baud Detect, clear RCIE,

PEIE or GIE to block the EUSART RX interrupt

before clearing ABDEN, terminating an auto-baud

operation. Then read the RCREG to clear the false

interrupt before enabling interrupts again.

The WUE bit will not clear itself after a Break

character if the RCREG is read while RXDA is low

and WUE is set.

Work around

Make sure the WUE bit is cleared before reading

the RCREG register. If WUE accidentally gets

stuck high by reading RCREG, then clear it by

software.

PIC16F688 Rev. A3 Silicon/Data Sheet Errata

Overflow Does Not Generate

Interrupt

ABDEN Cleared

4. Module: EUSART – Writing to TXREG

5. Module: EUSART – WUE/ABDEN Set to

6. Module: EUSART – Auto-Baud After

Writing to the TXREG faster than the baud rate in

Synchronous mode will overwrite the previous

value

Asynchronous mode.

Work around

Load the first character into TXREG and then wait

for a TX interrupt or check the TXIF bit before

writing each additional character to the TXREG.

Setting WUE and auto-baud enable to wake-up on

a Break character, followed by a Sync character,

will generate an extra interrupt.

Work around

Do not set the Auto-Baud Detect bit before

entering Sleep. After the wake-up on Break, wait

for the RX pin to go high, signifying the end of a

Break character. After the RX pin goes high,

enable the Auto-Baud mode.

When using WUE and Auto-Baud Detect simulta-

neously, the auto-baud will start early. This will

detect incorrect baud rate.

Work around

Do not set the Auto-Baud Detect bit before enter-

ing Sleep. After the wake-up on Break, wait for the

RX pin to go high, signifying the end of a Break

character. After the RX pin goes high, enable the

Auto-Baud mode.

PIC16F688

instead

Overwrites Values

(Synchronous Mode Only)

Wake-up Creates an Extra

Interrupt

Break Captures Incorrect Baud

Rates

double-buffering

DS80181G-page 1

Related parts for PIC16F688-I/SL

PIC16F688-I/SL Summary of contents

Page 1

... PIC16F688 Rev. A3 Silicon/Data Sheet Errata The PIC16F688 (Rev. A3) parts you have received conform functionally to the Device Data Sheet (DS41203D), except for the anomalies described below. Microchip intends to address all issues listed here in future revisions of the PIC16F688 silicon. 1. Module: EUSART – Auto-Baud Timer ...

Page 2

... If a CLRWDT instruction is issued before the WDT times out and before the OPTION register is modified, this problem is eliminated. Date Codes that pertain to this issue: All Rev. A3 silicon PIC16F688 devices. DS80181G-page 2 11. Module: Data EEPROM Memory The EEIF flag may be cleared inadvertently when ...

Page 3

... TXEN is set. This allows data to be written to TXREG before the transmitter is configured. Work around None. © 2008 Microchip Technology Inc. PIC16F688 Silicon Revision History Silicon Revision update 9/26/2006, Rev A4: All Silicon Revision A3 issues have been corrected in Revision A4, with the exception of Items 4 regarding auto-baud and Item 13 affecting transmission ...

Page 4

... OPTION_REG bits, PS<2:0>, are clear, multiple spuri- ous Resets can occur when the WDT times out. Rev C Document (11/2004) Module 11: “Data EEPROM Memory” for the PIC16F688 silicon. The EEIF flag may be cleared inadvertently when performing operations on the PIR1 register simultaneously with the completion of an EEPROM write. ...

Page 5

... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, 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. ...

Page 6

... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2008 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...

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