PIC18F2450/4450
REGISTER 18-9: CONFIG6L: CONFIGURATION REGISTER 6 LOW (BYTE ADDRESS 30000Ah)
U-0
—
U-0
—
U-0
—
U-0
—
U-0
—
U-0
—
R/C-1
WRT1
R/C-1
WRT0
bit 7
bit 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
bit 7-2
bit 1
Unimplemented: Read as ‘0’
WRT1: Write Protection bit
1= Block 1 (002000-003FFFh) is not write-protected
0= Block 1 (002000-003FFFh) is write-protected
bit 0
WRT0: Write Protection bit
1= Block 0 (000800-001FFFh) or (001000-001FFFh) is not write-protected
0= Block 0 (000800-001FFFh) or (001000-001FFFh) is write-protected
REGISTER 18-10: CONFIG6H: CONFIGURATION REGISTER 6 HIGH (BYTE ADDRESS 30000Bh)
U-0
—
R/C-1
R-1
WRTC(1)
U-0
—
U-0
—
U-0
—
U-0
—
U-0
—
WRTB
bit 7
bit 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
bit 7
bit 6
Unimplemented: Read as ‘0’
WRTB: Boot Block Write Protection bit
1= Boot block (000000-0007FFh) or (000000-000FFFh) is not write-protected
0= Boot block (000000-0007FFh) or (000000-000FFFh) is write-protected
bit 5
WRTC: Configuration Register Write Protection bit(1)
1= Configuration registers (300000-3000FFh) are not write-protected
0= Configuration registers (300000-3000FFh) are write-protected
bit 4-0
Unimplemented: Read as ‘0’
Note 1: This bit is read-only in normal execution mode; it can be written only in Program mode.
DS39760A-page 198
Advance Information
© 2006 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
