PIC18F242 MICROCHIP [Microchip Technology], PIC18F242 Datasheet - Page 202
PIC18F242
Manufacturer Part Number
PIC18F242
Description
28/40-pin High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F242.pdf
(332 pages)
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PIC18FXX2
REGISTER 19-8:
REGISTER 19-9:
DS39564C-page 200
bit 7-4
bit 3
bit 2
bit 1
bit 0
bit 7
bit 6
bit 5
bit 4-0
CONFIGURATION REGISTER 6 LOW (CONFIG6L: BYTE ADDRESS 30000Ah)
CONFIGURATION REGISTER 6 HIGH (CONFIG6H: BYTE ADDRESS 30000Bh)
bit 7
Unimplemented: Read as ‘0’
WRT3: Write Protection bit
1 = Block 3 (006000-007FFFh) not write protected
0 = Block 3 (006000-007FFFh) write protected
WRT2: Write Protection bit
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
Legend:
R = Readable bit
- n = Value when device is unprogrammed
Legend:
R = Readable bit
- n = Value when device is unprogrammed
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
Unimplemented: Read as ‘0’
bit 7
WRTD
Note 1: Unimplemented in PIC18FX42 devices; maintain this bit set.
R/C-1
Note:
U-0
—
This bit is read only, and cannot be changed in User mode.
WRTB
R/C-1
U-0
—
C = Clearable bit
C =Clearable bit
WRTC
(1)
(1)
C-1
U-0
—
U-0
—
U-0
—
WRT3
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
R/C-1
U-0
—
(1)
WRT2
R/C-1
U-0
—
© 2006 Microchip Technology Inc.
(1)
WRT1
R/C-1
U-0
—
WRT0
R/C-1
U-0
—
bit 0
bit 0
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