PIC18F2220 Datasheet, PDF (243/388 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2220/2320/4220/4320
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
bit 7-4
bit 3
bit 2
bit 1
bit 0
Unimplemented: Read as ‘0’
CP3: Code Protection bit⁽¹⁾
1 = Block 3 (001800-001FFFh) not code-protected
0 = Block 3 (001800-001FFFh) code-protected
CP2: Code Protection bit⁽¹⁾
1 = Block 2 (001000-0017FFh) not code-protected
0 = Block 2 (001000-0017FFh) code-protected
CP1: Code Protection bit
1 = Block 1 (000800-000FFFh) not code-protected
0 = Block 1 (000800-000FFFh) code-protected
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.
Legend:
R = Readable bit
C = Clearable bit
- n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
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
bit 7
bit 6
bit 5-0
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 (000000-0001FFh) not code-protected
0 = Boot block (000000-0001FFh) code-protected
Unimplemented: Read as ‘0’
Legend:
R = Readable bit
C = Clearable bit
- n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
 2003 Microchip Technology Inc.
DS39599C-page 241