PIC18LF2220-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF2220-I/SO

28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2220/2320/4220/4320

FIGURE 2-8:

PIC18F2X20/4X20 CLOCK DIAGRAM

OSC2

OSC1

T1OSO

T1OSI

Primary Oscillator

Sleep

Secondary Oscillator

T1OSCEN

Enable

Oscillator

OSCCON<6:4>

Internal

Oscillator

Block

INTRC

Source

8 MHz

(INTOSC)

PIC18F2X20/4X20 CONFIG1H <3:0>

4 x PLL HSPLL

Clock

Control

LP, XT, HS, RC, EC

T1OSC

Clock Source Option

for Other Modules

OSCCON<6:4> Internal Oscillator

8 MHz

111

4 MHz

110

2 MHz

101

1 MHz

100

500 kHz

011

250 kHz

010

125 kHz

001

31 kHz

000

OSCCON<1:0>

Peripherals

CPU

IDLEN

WDT, FSCM

 2003 Microchip Technology Inc.

DS39599C-page 25

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