PIC16F676T-I/ST Microchip Technology, PIC16F676T-I/ST Datasheet

PIC16F676T-I/ST

Manufacturer Part Number

PIC16F676T-I/ST

Description

IC MCU FLASH 1KX14 W/AD 14TSSOP

Manufacturer

Microchip Technology

Series

PIC® 16Fr

Datasheets

1.PIC16F616T-ISL.pdf (8 pages)

2.PIC12F629T-ISN.pdf (24 pages)

3.PIC16F630-ISL.pdf (132 pages)

4.PIC16F630-ISL.pdf (2 pages)

5.PIC16F630-ISL.pdf (10 pages)

Specifications of PIC16F676T-I/ST

Core Processor

PIC

Core Size

8-Bit

Speed

20MHz

Peripherals

Brown-out Detect/Reset, POR, WDT

Number Of I /o

Program Memory Size

1.75KB (1K x 14)

Program Memory Type

FLASH

Eeprom Size

128 x 8

Ram Size

64 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

Package / Case

14-TSSOP

For Use With

XLT14SS-1 - SOCKET TRANSITION 14DIP/14SSOP

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Connectivity

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The PIC16F630/676 parts you have received conform

functionally to the Device Data Sheet (DS40039E),

except for the anomalies described below.

All issues listed here will be addressed in future

revisions of the PIC16F630/676 silicon.

1. Module: Data EEPROM Memory

The EEIF flag may be cleared inadvertently when

performing operations on the PIR1 register simul-

taneously with the completion of an EEPROM

write. This condition occurs when the EEPROM

write timer completes at the same moment that the

PIR1 register operation is executed. Register

operations are those that have the PIR1 register

as the destination and include, but are not limited

to, BSF, BCF, ANDWF, IORWF and XORWF.

Work around

1. Avoid operations on the PIR1 register when

2. Poll the WR bit (EECON1<1>) to determine

3. Use a timer interrupt to catch any instances

4. If periodic interrupts are occurring in addition to

writing to the EEPROM memory.

when the write is complete.

when the EEIF flag is inadvertently cleared.

The timer interrupt should be set longer than

8 ms. If EEIF fails then the timer interrupt

occurs as a default time out. The WR and

WRERR flags are checked as part of the timer

Interrupt

EEPROM write success.

the EEIF interrupts, then use a secondary flag

to sense write completion. The secondary flag

is set whenever EEPROM writes are active. An

EEPROM write completion is indicated when

the secondary flag is set and the WR flag is

clear.

PIC16F630/676 Rev. A Silicon/Data Sheet Errata

Service

Routine

verify

the

PIC16F630/676

2. Module: Power-on Reset (Rising V

The PIC16F630/676 Power-on Reset (POR)

circuitry is sensitive to a low V

to release the Reset if V

voltage after dropping to a very low level.

The sensitive V

drops into an out-of-specification voltage region

below the Brown-out Detect threshold and then

recovers to a normal operating condition. The

voltage region that can cause the problem is

dependant upon temperature with the region

growing as the temperature drops. A typical region

is between 0.5 and 0.7V at -25°C. Below the

region, the POR operates correctly. Above the

region, the POR is inactive per the data sheet.

Inside the region, the POR will assert Reset and

will not release Reset until power is removed and

independent of other Reset circuits (see Figure 9-4

of the data sheet), activating BOR or using the

MCLR input will not eliminate the problem.

Work around

To resolve this problem the application must be

designed to assure that V

described as D003 V

Specifications”

(DS40039).

reaches

Detect)

POR

condition occurs when V

the

Because

in Section 12.0 “Electrical

returns to an operational

Device

reaches V

level and may fail

DS80185F-page 1

the

Data

POR

. This is

Sheet

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PIC16F676T-I/ST Summary of contents

Page 1

... The secondary flag is set whenever EEPROM writes are active. An EEPROM write completion is indicated when the secondary flag is set and the WR flag is clear. © 2007 Microchip Technology Inc. PIC16F630/676 2. Module: Power-on Reset (Rising V The PIC16F630/676 Power-on Reset (POR) circuitry is sensitive to a low V to release the Reset if V voltage after dropping to a very low level ...

Page 2

... TSSOP (4.4mm) Pattern: 3-Digit Pattern Code for QTP (blank otherwise). DS80185F-page 2 /XX XXX Examples: Package Pattern a) PIC16F630 - E/P 301 = Extended Temp., PDIP package, 20 MHz, QTP pattern #301. b) PIC16F676 - I/SL = Industrial Temp., range 2.0V to 5.5V SOIC package, 20 MHz. DD © 2007 Microchip Technology Inc. ...

Page 3

... In Section 5.4, Timer1 Operation in Asynchronous Counter Mode, in the note box: Note: The ANSEL (91h) and CMCON (19h)..... In Section 9.4.1, RA2/INT Interrupt, in the note box: Note: The ANSEL (91h) and CMCON (19h)..... © 2007 Microchip Technology Inc. U-0 R/W-1 R/W-1 R-1 — TRISA5 TRISA4 ...

Page 4

... QFN XXXXXX XXXXXX YWWNNN DS80185F-page 4 12 RA0/C1IN+/ICSPDAT 1 11 RA1/CIN-/V 2 PIC16F630 10 RA2/COUT/T0CKI/INT PP 3 RC5 9 RC0 4 12 RA0/AN0/CIN+/ICSPDAT 1 11 RA1/AN1/CIN-/V 2 PIC16F676 10 RA2/AN2/COUT/T0CKI/INT PP 3 RC5 9 RC0/AN4 4 Example 16F630 -I/ML 510017 /ICSPCLK REF /ICSPCLK REF © 2007 Microchip Technology Inc. ...

Page 5

... Pin 1 visual index feature may vary, but must be located within the hatched area. 2. Package is saw singulated. 3. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc. EXPOSED PAD E2 2 ...

Page 6

... STATUS,RP0 ;Bank 0 CLRF PORTA ;Init PORTA MOVLW 07h ;Set RA<2:0> to MOVWF CMCON ;digital I/O BSF STATUS,RP0 ;Bank 1 CLRF ANSEL ;digital I/O MOVLW 0Ch ;Set RA<3:2> as inputs MOVWF TRISA ;and set RA<5:4,1:0> ;as outputs BCF STATUS,RP0 ;Bank 0 DS80185F-page 6 © 2007 Microchip Technology Inc. ...

Page 7

... Added Module 2: “Power-on Reset (Rising V Detect)” for PIC16F630/676 silicon. Rev. F Document (3/2007) Data Sheet Clarifications/Corrections Section: Module 1, Figure 1 - updated package SL; Module 4 - updated QFN package; Added Module 5: “PORTA: Initializing Example” in the Data Sheet correction section. © 2007 Microchip Technology Inc. PIC16F630/676 DD DS80185F-page 7 ...

Page 8

Page 9

... Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, 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 10

... 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 © 2007 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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