PIC12F1840 MICROCHIP [Microchip Technology], PIC12F1840 Datasheet - Page 55

• Manufacturer Part Number: PIC12F1840
• Description: 8-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 5-7:
 2011 Microchip Technology Inc.
LFINTOSC
HFINTOSC/
MFINTOSC
HFINTOSC/
MFINTOSC
System Clock
System Clock
System Clock
HFINTOSC/
HFINTOSC/
HFINTOSC/
MFINTOSC
MFINTOSC
IRCF <3:0>
MFINTOSC
IRCF <3:0>
IRCF <3:0>
LFINTOSC
LFINTOSC
LFINTOSC
LFINTOSC (FSCM and WDT disabled)
LFINTOSC (Either FSCM or WDT enabled)
HFINTOSC/MFINTOSC
INTERNAL OSCILLATOR SWITCH TIMING
=
0
0
Start-up Time

Start-up Time
0
2-cycle Sync
Preliminary
0

0
2-cycle Sync
2-cycle Sync

0
LFINTOSC turns off unless WDT or FSCM is enabled
PIC12F/LF1840
Running
Running
Running
DS41441A-page 55