PIC16F688-E/SL View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F688-E/SL

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

Microchip Technology 

PIC16F688

FIGURE 3-6:

INTERNAL OSCILLATOR SWITCH TIMING

HF LF(1)

HFINTOSC LFINTOSC (FSCM and WDT disabled)

HFINTOSC

LFINTOSC

Start-up Time

2-cycle Sync

IRCF <2:0>

≠0

=0

System Clock

Note 1: When going from LF to HF.

HFINTOSC LFINTOSC (Either FSCM or WDT enabled)

HFINTOSC

LFINTOSC

IRCF <2:0>

2-cycle Sync

≠0

=0

System Clock

Running

Running

LFINTOSC HFINTOSC

LFINTOSC

HFINTOSC

Start-up Time 2-cycle Sync

IRCF <2:0>

=0

≠0

System Clock

LFINTOSC turns off unless WDT or FSCM is enabled

Running

DS41203D-page 28

© 2007 Microchip Technology Inc.

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