Datasheet

PIC18F2220/2320/4220/4320
DS39599G-page 242 © 2007 Microchip Technology Inc.
REGISTER 23-6: CONFIG5L: CONFIGURATION REGISTER 5 LOW (BYTE ADDRESS 300008h)
U-0 U-0 U-0 U-0 R/C-1 R/C-1 R/C-1 R/C-1
— — — —CP3
(1)
CP2
(1)
CP1 CP0
bit 7 bit 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
bit 7-4 Unimplemented: Read as ‘0’
bit 3 CP3: Code Protection bit
(1)
1 = Block 3 (001800-001FFFh) not code-protected
0 = Block 3 (001800-001FFFh) code-protected
bit 2 CP2: Code Protection bit
(1)
1 = Block 2 (001000-0017FFh) not code-protected
0 = Block 2 (001000-0017FFh) code-protected
bit 1 CP1: Code Protection bit
1 = Block 1 (000800-000FFFh) not code-protected
0 = Block 1 (000800-000FFFh) code-protected
bit 0 CP0: Code Protection bit
1 = Block 0 (000200-0007FFh) not code-protected
0 = Block 0 (000200-0007FFh) code-protected
Note 1: Unimplemented in PIC18FX220 devices; maintain this bit set.
REGISTER 23-7: CONFIG5H: CONFIGURATION REGISTER 5 HIGH (BYTE ADDRESS 300009h)
R/C-1 R/C-1 U-0 U-0 U-0 U-0 U-0 U-0
CPD CPB — — — — — —
bit 7 bit 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
bit 7 CPD: Data EEPROM Code Protection bit
1 = Data EEPROM is not code-protected
0 = Data EEPROM is code-protected
bit 6 CPB: Boot Block Code Protection bit
1 = Boot block (000000-0001FFh) is not code-protected
0 = Boot block (000000-0001FFh) is code-protected
bit 5-0 Unimplemented: Read as ‘0’