PIC16F193X Datasheet, PDF (118/418 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F193X/LF193X
FIGURE 8-6:
INTERNAL OSCILLATOR SWITCH TIMING
HFINTOSC/ LFINTOSC (FSCM and WDT disabled)
MFINTOSC
HFINTOSC/
MFINTOSC
Start-up Time
2-cycle Sync
LFINTOSC
IRCF <3:0>
≠0
=0
System Clock
HFINTOSC/ LFINTOSC (Either FSCM or WDT enabled)
MFINTOSC
HFINTOSC/
MFINTOSC
2-cycle Sync
LFINTOSC
IRCF <3:0>
≠0
=0
System Clock
Running
Running
LFINTOSC HFINTOSC/MFINTOSC
LFINTOSC
HFINTOSC/
MFINTOSC
IRCF <3:0>
Start-up Time 2-cycle Sync
=0
≠0
System Clock
LFINTOSC turns off unless WDT or FSCM is enabled
Running
DS41364A-page 116
Preliminary
© 2008 Microchip Technology Inc.