Microchip Technology AC244049 Data Sheet

Page of 448
PIC16(L)F1825/1829
DS41440C-page 64
 2010-2012 Microchip Technology Inc.
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