PIC18LF1320-I/SOSQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF1320-I/SOSQTP

18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F1220/1320

REGISTER 19-1:

CONFIG1H: CONFIGURATION REGISTER 1 HIGH (BYTE ADDRESS 300001h)

R/P-1

R/P-1

U-0

U-0

R/P-1

R/P-1

R/P-1

R/P-1

IESO

FSCM

—

—

FOSC3 FOSC2 FOSC1 FOSC0

bit 7

bit 0

bit 7

bit 6

bit 5-4

bit 3-0

IESO: Internal External Switchover bit

1 = Internal External Switchover mode enabled

0 = Internal External Switchover mode disabled

FSCM: Fail-Safe Clock Monitor Enable bit

1 = Fail-Safe Clock Monitor enabled

0 = Fail-Safe Clock Monitor disabled

Unimplemented: Read as ‘0’

FOSC<3:0>: Oscillator Selection bits

11xx = External RC oscillator, CLKO function on RA6

1001 = Internal RC oscillator, CLKO function on RA6 and port function on RA7

1000 = Internal RC oscillator, port function on RA6 and port function on RA7

0111 = External RC oscillator, port function on RA6

0110 = HS oscillator, PLL enabled (clock frequency = 4 x FOSC1)

0101 = EC oscillator, port function on RA6

0100 = EC oscillator, CLKO function on RA6

0010 = HS oscillator

0001 = XT oscillator

0000 = LP oscillator

Legend:

R = Readable bit

P = Programmable bit

-n = Value when device is unprogrammed

U = Unimplemented bit, read as ‘0’

u = Unchanged from programmed state

DS39605F-page 172

© 2007 Microchip Technology Inc.

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