Information

 2010 Microchip Technology Inc. DS41303G-page 305
PIC18F2XK20/4XK20
REGISTER 23-8: CONFIG6L: CONFIGURATION REGISTER 6 LOW
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
Legend:
R = Readable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed C = Clearable only bit
bit 7-4 Unimplemented: Read as ‘0’
bit 3 WRT3: Write Protection bit
(1)
1 = Block 3 not write-protected
0 = Block 3 write-protected
bit 2 WRT2: Write Protection bit
(1)
1 = Block 2 not write-protected
0 = Block 2 write-protected
bit 1 WRT1: Write Protection bit
1 = Block 1 not write-protected
0 = Block 1 write-protected
bit 0 WRT0: Write Protection bit
1 = Block 0 not write-protected
0 = Block 0 write-protected
Note 1: Implemented, but not used in PIC18FX3K20 and PIC18FX4K20 devices.
REGISTER 23-9: CONFIG6H: CONFIGURATION REGISTER 6 HIGH
R/C-1 R/C-1 R-1 U-0 U-0 U-0 U-0 U-0
WRTD WRTB WRTC
(1)
— — — — —
bit 7 bit 0
Legend:
R = Readable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed C = Clearable only bit
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 not write-protected
0 = Boot Block write-protected
bit 5 WRTC: Configuration Register Write Protection bit
(1)
1 = Configuration registers not write-protected
0 = Configuration registers write-protected
bit 4-0 Unimplemented: Read as ‘0’
Note 1: This bit is read-only in normal execution mode; it can be written only in Program mode.