PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 256

• Manufacturer Part Number: PIC18F2420
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2420/2520/4420/4520
REGISTER 23-6:
REGISTER 23-7:
DS39631A-page 254
bit 7
bit 6
bit 5-0
bit 7-4
bit 3
bit 2
bit 1
bit 0
CONFIG5L: CONFIGURATION REGISTER 5 LOW (BYTE ADDRESS 300008h)
CONFIG5H: CONFIGURATION REGISTER 5 HIGH (BYTE ADDRESS 300009h)
bit 7
CPD: Data EEPROM Code Protection bit
1 = Data EEPROM not code-protected
0 = Data EEPROM code-protected
CPB: Boot Block Code Protection bit
1 = Boot block (000000-0007FFh) not code-protected
0 = Boot block (000000-0007FFh) code-protected
Unimplemented: Read as ‘0’
bit 7
Unimplemented: Read as ‘0’
CP3: Code Protection bit
1 = Block 3 (006000-007FFFh) not code-protected
0 = Block 3 (006000-007FFFh) code-protected
CP2: Code Protection bit
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
Legend:
R = Readable bit
-n = Value when device is unprogrammed
Legend:
R = Readable bit
-n = Value when device is unprogrammed
R/C-1
Note 1: Unimplemented in PIC18F2420/4420 devices; maintain this bit set.
CPD
U-0
—
2: Unimplemented in PIC18F2425/4425 devices; maintain this bit set.
R/C-1
CPB
U-0
—
(1,2)
(1)
C = Clearable bit
C = Clearable bit
U-0
U-0
Preliminary
—
—
U-0
U-0
—
—
CP3
R/C-1
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U-0
—
(1,2)
CP2
R/C-1
U-0
—
 2004 Microchip Technology Inc.
(1)
R/C-1
CP1
U-0
—
R/C-1
CP0
U-0
—
bit 0
bit 0