PIC18F23K20 MICROCHIP [Microchip Technology], PIC18F23K20 Datasheet - Page 305

• Manufacturer Part Number: PIC18F23K20
• Description: 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

REGISTER 23-8:
REGISTER 23-9:
 2010 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value when device is unprogrammed
bit 7-4
bit 3
bit 2
bit 1
bit 0
Note 1:
bit 7
Legend:
R = Readable bit
-n = Value when device is unprogrammed
bit 7
bit 6
bit 5
bit 4-0
Note 1:
WRTD
R/C-1
U-0
—
Implemented, but not used in PIC18FX3K20 and PIC18FX4K20 devices.
This bit is read-only in normal execution mode; it can be written only in Program mode.
Unimplemented: Read as ‘0’
WRT3: Write Protection bit
1 = Block 3 not write-protected
0 = Block 3 write-protected
WRT2: Write Protection bit
1 = Block 2 not write-protected
0 = Block 2 write-protected
WRT1: Write Protection bit
1 = Block 1 not write-protected
0 = Block 1 write-protected
WRT0: Write Protection bit
1 = Block 0 not write-protected
0 = Block 0 write-protected
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 not write-protected
0 = Boot Block write-protected
WRTC: Configuration Register Write Protection bit
1 = Configuration registers not write-protected
0 = Configuration registers write-protected
Unimplemented: Read as ‘0’
WRTB
R/C-1
U-0
—
CONFIG6L: CONFIGURATION REGISTER 6 LOW
CONFIG6H: CONFIGURATION REGISTER 6 HIGH
WRTC
U-0
R-1
—
(1)
(1)
(1)
U-0
U-0
—
—
U = Unimplemented bit, read as ‘0’
C = Clearable only bit
U = Unimplemented bit, read as ‘0’
C = Clearable only bit
WRT3
R/C-1
PIC18F2XK20/4XK20
U-0
—
(1)
(1)
WRT2
R/C-1
U-0
—
(1)
WRT1
R/C-1
U-0
—
DS41303G-page 305
WRT0
R/C-1
U-0
—
bit 0
bit 0