Datasheet

PIC18FXX2
DS39564C-page 200 © 2006 Microchip Technology Inc.
REGISTER 19-8: CONFIGURATION REGISTER 6 LOW (CONFIG6L: BYTE ADDRESS 30000Ah)
REGISTER 19-9: CONFIGURATION REGISTER 6 HIGH (CONFIG6H: BYTE ADDRESS 30000Bh)
U-0 U-0 U-0 U-0 R/C-1 R/C-1 R/C-1 R/C-1
— — — —WRT3
(1)
WRT2
(1)
WRT1 WRT0
bit 7 bit 0
bit 7-4 Unimplemented: Read as ‘0’
bit 3 WRT3: Write Protection bit
(1)
1 = Block 3 (006000-007FFFh) not write protected
0 = Block 3 (006000-007FFFh) write protected
bit 2 WRT2: Write Protection bit
(1)
1 = Block 2 (004000-005FFFh) not write protected
0 = Block 2 (004000-005FFFh) write protected
bit 1 WRT1: Write Protection bit
1 = Block 1 (002000-003FFFh) not write protected
0 = Block 1 (002000-003FFFh) write protected
bit 0 WRT0: Write Protection bit
1 = Block 0 (000200h-001FFFh) not write protected
0 = Block 0 (000200h-001FFFh) write protected
Note 1: Unimplemented in PIC18FX42 devices; maintain this bit set.
Legend:
R = Readable bit C = Clearable bit U = Unimplemented bit, read as ‘0’
- n = Value when device is unprogrammed u = Unchanged from programmed state
R/C-1 R/C-1 C-1 U-0 U-0 U-0 U-0 U-0
WRTD WRTB WRTC
— — — — —
bit 7 bit 0
bit 7 WRTD: Data EEPROM Write Protection bit
1 = Data EEPROM not write protected
0 = Data EEPROM write protected
bit 6 WRTB: Boot Block Write Protection bit
1 = Boot Block (000000-0001FFh) not write protected
0 = Boot Block (000000-0001FFh) write protected
bit 5 WRTC: Configuration Register Write Protection bit
1 = Configuration registers (300000-3000FFh) not write protected
0 = Configuration registers (300000-3000FFh) write protected
Note: This bit is read only, and cannot be changed in User mode.
bit 4-0 Unimplemented: Read as ‘0’
Legend:
R = Readable bit C =Clearable bit U = Unimplemented bit, read as ‘0’
- n = Value when device is unprogrammed u = Unchanged from programmed state