PIC18F2331-E/ML MICROCHIP [Microchip Technology], PIC18F2331-E/ML Datasheet - Page 35

• Manufacturer Part Number: PIC18F2331-E/ML
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 3-8:
 2010 Microchip Technology Inc.
T1OSO
T1OSI
OSC2
OSC1
Primary Oscillator
Secondary Oscillator
PIC18F2331/2431/4331/4431 CLOCK DIAGRAM
OSCCON<6:4>
Oscillator
Internal
INTRC
Source
Sleep
T1OSCEN
Enable
Oscillator
Block
(INTOSC)
8 MHz
PIC18F2331/2431/4331/4431
500 kHz
250 kHz
125 kHz
31 kHz
8 MHz
4 MHz
2 MHz
1 MHz
OSCCON<6:4>
111
110
101
100
011
010
001
000
4 x PLL
Clock Source Option
for other Modules
CONFIG1H <3:0>
HSPLL
LP, XT, HS, RC, EC
Internal Oscillator
T1OSC
Control
Clock
DS39616D-page 35
WDT, FSCM
OSCCON<1:0>
Peripherals
IDLEN
CPU