PIC18F242 datasheet(202/332 Pages) MICROCHIP

202 / 332 page

PIC18FXX2

DS39564C-page 200

CONFIGURATION REGISTER 6 LOW (CONFIG6L: BYTE ADDRESS 30000Ah)

CONFIGURATION REGISTER 6 HIGH (CONFIG6H: BYTE ADDRESS 30000Bh)

U-0

R/C-1

—

—WRT3(1)

WRT2(1)

WRT1

WRT0

bit 7

bit 0

bit 7-4

Unimplemented: Read as ‘0’

bit 3

WRT3: Write Protection bit(1)

= Block 3 (006000-007FFFh) not write protected

= Block 3 (006000-007FFFh) write protected

bit 2

WRT2: Write Protection bit(1)

= Block 2 (004000-005FFFh) not write protected

= Block 2 (004000-005FFFh) write protected

bit 1

WRT1: Write Protection bit

= Block 1 (002000-003FFFh) not write protected

= Block 1 (002000-003FFFh) write protected

bit 0

WRT0: Write Protection bit

= Block 0 (000200h-001FFFh) not write protected

= Block 0 (000200h-001FFFh) write protected

Note 1: Unimplemented in PIC18FX42 devices; maintain this bit set.

Legend:

R = Readable bit

C = Clearable bit

U = Unimplemented bit, read as ‘0’

- n = Value when device is unprogrammed

u = Unchanged from programmed state

R/C-1

C-1

U-0

WRTD

WRTB

WRTC

—

bit 7

bit 0

bit 7

WRTD: Data EEPROM Write Protection bit

= Data EEPROM not write protected

= Data EEPROM write protected

bit 6

WRTB: Boot Block Write Protection bit

= Boot Block (000000-0001FFh) not write protected

= Boot Block (000000-0001FFh) write protected

bit 5

WRTC: Configuration Register Write Protection bit

= Configuration registers (300000-3000FFh) not write protected

= Configuration registers (300000-3000FFh) write protected

Note:

This bit is read only, and cannot be changed in User mode.

bit 4-0

Unimplemented: Read as ‘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

PIC18F242 Datasheet(PDF) 202 Page - Microchip Technology

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