PIC18F47J53 Datasheet, PDF (445/586 Pages) Microchip Technology – 28/44-Pin, High-Performance USB Microcontrollers with nanoWatt XLP Technology

PIC18F47J53 FAMILY
REGISTER 28-3: CONFIG2L: CONFIGURATION REGISTER 2 LOW (BYTE ADDRESS 300002h)
R/WO-1
IESO
bit 7
R/WO-1
FCMEN
R/WO-1
R/WO-1
R/WO-1
CLKOEC SOSCSEL1 SOSCSEL0
R/WO-1
FOSC2
R/WO-1
FOSC1
R/WO-1
FOSC0
bit 0
Legend:
R = Readable bit
-n = Value at POR
WO = Write-Once bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
bit 6
bit 5
bit 4-3
bit 2-0
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
CLKOEC: CLKO Enable Configuration bit
(Applicable only when the FOSC<2:1> bits are configured for EC or ECPLL mode.)
1 = CLKO output signal active on the RA6 pin
0 = CLKO output is disabled
SOSCSEL<1:0>: T1OSC/SOSC Power Selection Configuration bits
11 = High-power T1OSC/SOSC circuit is selected
10 = Digital (SCLKI) mode is enabled
01 = Low-power T1OSC/SOSC circuit is selected
00 = Reserved
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
RA7
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
 2010 Microchip Technology Inc.
Preliminary
DS39964B-page 445