PIC18F25J50 MICROCHIP [Microchip Technology], PIC18F25J50 Datasheet - Page 421

• Manufacturer Part Number: PIC18F25J50
• Description: 28/44-Pin, Low-Power, High-Performance USB Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

REGISTER 27-3:
 2011 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
R/WO-1
IESO
IESO: Two-Speed Start-up (Internal/External Oscillator Switchover) Control bit
1 = Two-Speed Start-up is enabled
0 = Two-Speed Start-up is disabled
FCMEN: Fail-Safe Clock Monitor Enable bit
1 = Fail-Safe Clock Monitor is enabled
0 = Fail-Safe Clock Monitor is disabled
Unimplemented: Read as ‘0’
LPT1OSC: Low-Power Timer1 Oscillator Enable bit
1 = Timer1 oscillator is configured for high-power operation
0 = Timer1 oscillator is configured for low-power operation
T1DIG: Secondary Clock Source T1OSCEN Enforcement bit
1 = Secondary oscillator clock source may be selected (OSCCON<1:0> = 01) regardless of the
0 = Secondary oscillator clock source may not be selected unless T1CON<3> = 1
FOSC<2:0>: Oscillator Selection bits
111 = ECPLL oscillator with PLL software controlled, CLKO on RA6
110 = EC oscillator with CLKO on RA6
101 = HSPLL oscillator with PLL software controlled
100 = HS oscillator
011 = INTOSCPLLO, internal oscillator with PLL software controlled, CLKO on RA6, port function on
010 = INTOSCPLL, internal oscillator with PLL software controlled, port function on RA6 and RA7
001 = INTOSCO internal oscillator block (INTRC/INTOSC) with CLKO on RA6, port function on RA7
000 = INTOSC internal oscillator block (INTRC/INTOSC), port function on RA6 and RA7
R/WO-1
FCMEN
(T1CON<3>) T1OSCEN state
CONFIG2L: CONFIGURATION REGISTER 2 LOW (BYTE ADDRESS 300002h)
RA7
WO = Write-Once bit
‘1’ = Bit is set
U-0
—
LPT1OSC
R/WO-1
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
PIC18F46J50 FAMILY
R/WO-1
T1DIG
R/WO-1
FOSC2
x = Bit is unknown
R/WO-1
FOSC1
DS39931D-page 421
R/WO-1
FOSC0
bit 0