PIC18F2455_07 Datasheet, PDF (295/430 Pages) Microchip Technology – 28/40/44-Pin, High Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2455/2550/4455/4550
REGISTER 25-7: CONFIG5L: CONFIGURATION REGISTER 5 LOW (BYTE ADDRESS 300008h)
U-0
—
bit 7
U-0
U-0
U-0
R/C-1
R/C-1
R/C-1
R/C-1
—
—
—
CP3⁽¹⁾
CP2
CP1
CP0
bit 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
bit 7-4
bit 3
bit 2
bit 1
bit 0
Unimplemented: Read as ‘0’
CP3: Code Protection bit⁽¹⁾
1 = Block 3 (006000-007FFFh) is not code-protected
0 = Block 3 (006000-007FFFh) is code-protected
CP2: Code Protection bit
1 = Block 2 (004000-005FFFh) is not code-protected
0 = Block 2 (004000-005FFFh) is code-protected
CP1: Code Protection bit
1 = Block 1 (002000-003FFFh) is not code-protected
0 = Block 1 (002000-003FFFh) is code-protected
CP0: Code Protection bit
1 = Block 0 (000800-001FFFh) is not code-protected
0 = Block 0 (000800-001FFFh) is code-protected
Note 1: Unimplemented in PIC18FX455 devices; maintain this bit set.
REGISTER 25-8: 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
-n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
bit 7
bit 6
bit 5-0
CPD: Data EEPROM Code Protection bit
1 = Data EEPROM is not code-protected
0 = Data EEPROM is code-protected
CPB: Boot Block Code Protection bit
1 = Boot block (000000-0007FFh) is not code-protected
0 = Boot block (000000-0007FFh) is code-protected
Unimplemented: Read as ‘0’
© 2007 Microchip Technology Inc.
Preliminary
DS39632D-page 293