Microchip Technology DM164130-7 Data Sheet
2010-2012 Microchip Technology Inc.
DS41414D-page 69
PIC16(L)F1946/47
FIGURE 5-7:
INTERNAL OSCILLATOR SWITCH TIMING
HFINTOSC/
LFINTOSC
IRCF <3:0>
System Clock
HFINTOSC/
LFINTOSC
IRCF <3:0>
System Clock
0
0
0
0
Start-up Time
2-cycle Sync
Running
2-cycle Sync
Running
HFINTOSC/
LFINTOSC (FSCM and WDT disabled)
HFINTOSC/
LFINTOSC (Either FSCM or WDT enabled)
LFINTOSC
HFINTOSC/
IRCF <3:0>
System Clock
=
0
0
Start-up Time
2-cycle Sync
Running
LFINTOSC
HFINTOSC/MFINTOSC
LFINTOSC turns off unless WDT or FSCM is enabled
MFINTOSC
MFINTOSC
MFINTOSC
MFINTOSC
MFINTOSC