PIC18F23K22 datasheet(30/42 Pages) MICROCHIP

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PIC18(L)F2XK22/4XK22

DS41398B-page 30

Advance Information

 2010 Microchip Technology Inc.

TABLE 5-3:

PIC18(L)F2XK22/4XK22 BIT DESCRIPTIONS

Bit Name

Configuration

Words

Description

IESO

CONFIG1H

Internal External Switchover bit

1 = Internal External Switchover mode enabled

0 = Internal External Switchover mode disabled

FCMEN

CONFIG1H

Fail-Safe Clock Monitor Enable bit

1 = Fail-Safe Clock Monitor enabled

0 = Fail-Safe Clock Monitor disabled

PRICLKEN

CONFIG1H

1 = Primary clock enabled

0 = Primary clock disabled

FOSC<3:0>

CONFIG1H

Oscillator Selection bits

1111 = External RC oscillator, CLKOUT function on OSC2

1110 = External RC oscillator, CLKOUT function on OSC2

1101 = EC oscillator (low power)

1100 = EC oscillator, CLKOUT function on OSC2 (low power)

1011 = EC oscillator (medium power, 4 MHz-16 MHz)

1010 = EC oscillator, CLKOUT function on OSC2 (medium power, 4 MHz-16 MHz)

1001 = Internal RC oscillator, CLKOUT function on OSC2

1000 = Internal RC oscillator

0111 = External RC oscillator

0110 = External RC oscillator, CLKOUT function on OSC2

0101 = EC oscillator (high power, >16 MHz)

0100 = EC oscillator, CLKOUT function on OSC2 (high power, >16 MHz)

0011 = HS oscillator (medium power, 4 MHz-16 MHz)

0010 = HS oscillator (high power, >16 MHz)

0001 = XT oscillator

0000 = LP oscillator

BORV<1:0>

CONFIG2L

Brown-out Reset Voltage bits

11 =VBOR set to 1.9V

10 =VBOR set to 2.2V

01 =VBOR set to 2.5V

00 =VBOR set to 2.85V

BOREN<1:0>

CONFIG2L

Brown-out Reset Enable bits

11 = Brown-out Reset enabled in hardware only (SBOREN is disabled)

10 = Brown-out Reset enabled in hardware only and disabled in Sleep mode

(SBOREN is disabled)

01 = Brown-out Reset enabled and controlled by software (SBOREN is enabled)

00 = Brown-out Reset disabled in hardware and software

PWRTEN

CONFIG2L

Power-up Timer Enable bit

1 = PWRT disabled

0 = PWRT enabled

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