PIC18F010 datasheet(86/176 Pages) MICROCHIP

86 / 176 page

PIC18F010/020

DS41142A-page 84

Preliminary

 2001 Microchip Technology Inc.

CONFIG1H: CONFIGURATION BYTE (ADDRESS 300001h)

U-0

R/P-1

U-0

R/P-1

R/P-0

—

OSCEN

MCLRE

—

FOSC2

FOSC1

FOSC0

bit 7

bit 0

bit 7-6

Unimplemented: Read as ’0’

bit 5

OSCEN: Oscillator Enable bit

= Switching to the internal oscillator is enabled

= Switching to the internal oscillator is disabled

bit 4

MCLRE: RB3/MCLR Pin Function Select bit

= RB3/MCLR pin function is MCLR

= RB3/MCLR pin function is digital I/O, MCLR internally tied to VDD

bit 3

Unimplemented: Read as ’0’

bit 2-0

FOSC2:FOSC0: Oscillator Selection bits

111

= External RC oscillator/CLKOUT function on RB4/OSC2/CLKOUT pin

110

= EC external clock/CLKOUT function on RB4/OSC2/CLKOUT pin

101

= Internal oscillator/CLKOUT function on RB4/OSC2/CLKOUT pin,

RB5 function on RB5/OSC1/CLKIN pin

100

= Internal oscillator/RB4 function on RB4/OSC2/CLKOUT pin,

RB5 function on RB5/OSC1/CLKIN pin

011

= External RC oscillator/RB4 function on RB4/OSC2/CLKOUT pin

010

= HS oscillator

001

= XT oscillator

000

= LP oscillator

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

- n = Value at POR

1 = Bit is set

0 = Bit is cleared

x = Bit is unknown

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