PIC18LF4420T-I/SO 查看數據表（PDF） - Microchip Technology

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PIC18LF4420T-I/SO

28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

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

R/C-1

R/C-1

R/C-1

—

—

—

—

CP3(1,2) 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(1,2)

1 = Block 3 (006000-007FFFh) not code-protected

0 = Block 3 (006000-007FFFh) code-protected

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.

2: Unimplemented in PIC18F2425/4425 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 (000000-0007FFh) not code-protected

0 = Boot block (000000-0007FFh) 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

DS39631A-page 254

Preliminary

 2004 Microchip Technology Inc.

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