PIC18F2420/2520/4420/4520
REGISTER 23-6: CONFIG5L: CONFIGURATION REGISTER 5 LOW (BYTE ADDRESS 300008h)
U-0
—
U-0
—
U-0
—
U-0
—
R/C-1
CP3(1)
R/C-1
CP2(1)
R/C-1
CP1
R/C-1
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
bit 3
Unimplemented: Read as ‘0’
CP3: Code Protection bit(1)
1= Block 3 (006000-007FFFh) not code-protected
0= Block 3 (006000-007FFFh) code-protected
bit 2
bit 1
bit 0
CP2: Code Protection bit(1)
1= Block 2 (004000-005FFFh) not code-protected
0= Block 2 (004000-005FFFh) code-protected
CP1: Code Protection bit
1= Block 1 (002000-003FFFh) not code-protected
0= Block 1 (002000-003FFFh) code-protected
CP0: Code Protection bit
1= Block 0 (000800-001FFFh) not code-protected
0= Block 0 (000800-001FFFh) code-protected
Note 1: Unimplemented in PIC18F2420/4420 devices; maintain this bit set.
REGISTER 23-7: CONFIG5H: CONFIGURATION REGISTER 5 HIGH (BYTE ADDRESS 300009h)
R/C-1
CPD
R/C-1
CPB
U-0
—
U-0
—
U-0
—
U-0
—
U-0
—
U-0
—
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 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’
DS39631E-page 254
© 2008 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
