PIC16LF1847 Datasheet, PDF (61/408 Pages) Microchip Technology – 18/20/28-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16(L)F1847
FIGURE 5-7:
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
Running
HFINTOSC/ LFINTOSC (Either FSCM or WDT enabled)
MFINTOSC
HFINTOSC/
MFINTOSC
2-cycle Sync
LFINTOSC
IRCF <3:0>
0
0
System Clock
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
 2011 Microchip Technology Inc.
Preliminary
DS41453A-page 61