PIC16F689T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F689T-I/SO

20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC16F631/677/685/687/689/690

FIGURE 17-6:

RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND

POWER-UP TIMER TIMING

VDD

MCLR

Internal

POR

PWRT

Time-out

OSC

Start-up Time

Internal Reset(1)

Watchdog Timer

Reset(1)

33

32

I/O pins

Note 1: Asserted low.

30

31

34

34

FIGURE 17-7:

BROWN-OUT RESET TIMING AND CHARACTERISTICS

VDD

VBOR

VBOR + VHYST

(Device in Brown-out Reset)

(Device not in Brown-out Reset)

37

Reset

(due to BOR)

33*

* 64 ms delay only if PWRTE bit in the Configuration Word register is programmed to ‘0’.

DS41262E-page 244

© 2008 Microchip Technology Inc.

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