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PIC18LF252-ISP Datasheet, PDF (202/332 Pages) Microchip Technology – High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D
PIC18FXX2
REGISTER 19-8: CONFIGURATION REGISTER 6 LOW (CONFIG6L: BYTE ADDRESS 30000Ah)
U-0
U-0
U-0
U-0
R/C-1 R/C-1 R/C-1
R/C-1
—
—
—
—
WRT3(1) WRT2(1) WRT1
WRT0
bit 7
bit 0
bit 7-4
bit 3
bit 2
bit 1
bit 0
Unimplemented: Read as ‘0’
WRT3: Write Protection bit(1)
1 = Block 3 (006000-007FFFh) not write protected
0 = Block 3 (006000-007FFFh) write protected
WRT2: Write Protection bit(1)
1 = Block 2 (004000-005FFFh) not write protected
0 = Block 2 (004000-005FFFh) write protected
WRT1: Write Protection bit
1 = Block 1 (002000-003FFFh) not write protected
0 = Block 1 (002000-003FFFh) write protected
WRT0: Write Protection bit
1 = Block 0 (000200h-001FFFh) not write protected
0 = Block 0 (000200h-001FFFh) write protected
Note 1: Unimplemented in PIC18FX42 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 19-9: CONFIGURATION REGISTER 6 HIGH (CONFIG6H: BYTE ADDRESS 30000Bh)
R/C-1
R/C-1
C-1
U-0
U-0
U-0
U-0
U-0
WRTD WRTB WRTC
—
—
—
—
—
bit 7
bit 0
bit 7
bit 6
bit 5
bit 4-0
WRTD: Data EEPROM Write Protection bit
1 = Data EEPROM not write protected
0 = Data EEPROM write protected
WRTB: Boot Block Write Protection bit
1 = Boot Block (000000-0001FFh) not write protected
0 = Boot Block (000000-0001FFh) write protected
WRTC: Configuration Register Write Protection bit
1 = Configuration registers (300000-3000FFh) not write protected
0 = Configuration registers (300000-3000FFh) write protected
Note: This bit is read only, and cannot be changed in User mode.
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
DS39564C-page 200
© 2006 Microchip Technology Inc.