Datasheet

PIC18F6525/6621/8525/8621
DS39612C-page 264 2003-2013 Microchip Technology Inc.
REGISTER 24-8: CONFIG5H: CONFIGURATION REGISTER 5 HIGH (BYTE ADDRESS 300009h)
REGISTER 24-9: CONFIG6L: CONFIGURATION REGISTER 6 LOW (BYTE ADDRESS 30000Ah)
R/C-1 R/C-1 U-0 U-0 U-0 U-0 U-0 U-0
CPD CPB
bit 7 bit 0
bit 7 CPD: Data EEPROM Code Protection bit
1 = Data EEPROM not code-protected
0 = Data EEPROM code-protected
bit 6 CPB: Boot Block Code Protection bit
1 = Boot block (000000-0007FFh) not code-protected
0 = Boot block (000000-0007FFh) code-protected
bit 5-0 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
U-0 U-0 U-0 U-0 R/C-1 R/C-1 R/C-1 R/C-1
—WRT3
(1)
WRT2 WRT1 WRT0
bit 7 bit 0
bit 7-4 Unimplemented: Read as0
bit 3 WRT3: Write Protection bit
(1)
1 = Block 3 (00C000-00FFFFh) not write-protected
0 = Block 3 (00C000-00FFFFh) write-protected
Note 1: Unimplemented in PIC18FX525 devices; maintain this bit set.
bit 2 WRT2: Write Protection bit
1 = Block 2 (008000-00BFFFh) not write-protected
0 = Block 2 (008000-00BFFFh) write-protected
bit 1 WRT1: Write Protection bit
1 = Block 1 (004000-007FFFh) not write-protected
0 = Block 1 (004000-007FFFh) write-protected
bit 0 WR0: Write Protection bit
1 = Block 0 (000800-003FFFh) not write-protected
0 = Block 0 (000800-003FFFh) write-protected
Legend:
R = Readable bit C = Clearable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed u = Unchanged from programmed state