PIC18F45J10 Datasheet, PDF (234/358 Pages) Microchip Technology – 28/40/44-Pin High-Performance RISC Microcontrollers with nanoWatt Technology

PIC18F45J10 FAMILY
REGISTER 20-3:
CONFIG2L: CONFIGURATION REGISTER 2 LOW (BYTE ADDRESS 300002h)
R/WO-1 R/WO-1
U-0
U-0
U-0
R/WO-1 R/WO-1 R/WO-1
IESO FCMEN
—
—
—
FOSC2 FOSC1 FOSC0
bit 7
bit 0
bit 7
bit 6
bit 5-3
bit 2
bit 1-0
IESO: Two-Speed Start-up (Internal/External Oscillator Switchover) Control bit
1 = Two-Speed Start-up enabled
0 = Two-Speed Start-up disabled
FCMEN: Fail-Safe Clock Monitor Enable bit
1 = Fail-Safe Clock Monitor enabled
0 = Fail-Safe Clock Monitor disabled
Unimplemented: Read as ‘0’
FOSC2: Default/Reset System Clock Select bit
1 = Clock selected by FOSC1:FOSC0 as system clock is enabled when OSCCON<1:0> = 00
0 = INTRC enabled as system clock when OSCCON<1:0> = 00
FOSC1:FOSC0: Oscillator Selection bits
11 = EC oscillator, PLL enabled and under software control, CLKO function on OSC2
10 = EC oscillator, CLKO function on OSC2
01 = HS oscillator, PLL enabled and under software control
00 = HS oscillator
Legend:
R = Readable bit
WO = Write-once bit
-n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
‘1’ = Bit is set
‘0’ = Bit is cleared
REGISTER 20-4:
CONFIG2H: CONFIGURATION REGISTER 2 HIGH (BYTE ADDRESS 300003h)
U-0
U-0
U-0
U-0
R/WO-1 R/WO-1 R/WO-1 R/WO-1
—
—
—
—
WDTPS3 WDTPS2 WDTPS1 WDTPS0
bit 7
bit 0
bit 7-4
bit 3-0
Unimplemented: Read as ‘0’
WDTPS3:WDTPS0: Watchdog Timer Postscale Select bits
1111 = 1:32,768
1110 = 1:16,384
1101 = 1:8,192
1100 = 1:4,096
1011 = 1:2,048
1010 = 1:1,024
1001 = 1:512
1000 = 1:256
0111 = 1:128
0110 = 1:64
0101 = 1:32
0100 = 1:16
0011 = 1:8
0010 = 1:4
0001 = 1:2
0000 = 1:1
Legend:
R = Readable bit
WO = Write-once bit
-n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
‘1’ = Bit is set
‘0’ = Bit is cleared
DS39682C-page 232
Preliminary
© 2007 Microchip Technology Inc.