PIC18F4550-IP Datasheet, PDF (303/438 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2455/2550/4455/4550
REGISTER 25-11: CONFIG7L: CONFIGURATION REGISTER 7 LOW (BYTE ADDRESS 30000Ch)
U-0
—
bit 7
U-0
U-0
U-0
R/C-1
R/C-1
R/C-1
R/C-1
—
—
—
EBTR3⁽¹⁾
EBTR2
EBTR1
EBTR0
bit 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
bit 7-4
bit 3
bit 2
bit 1
bit 0
Unimplemented: Read as ‘0’
EBTR3: Table Read Protection bit⁽¹⁾
1 = Block 3 (006000-007FFFh) not protected from table reads executed in other blocks
0 = Block 3 (006000-007FFFh) protected from table reads executed in other blocks
EBTR2: Table Read Protection bit
1 = Block 2 (004000-005FFFh) not protected from table reads executed in other blocks
0 = Block 2 (004000-005FFFh) protected from table reads executed in other blocks
EBTR1: Table Read Protection bit
1 = Block 1 (002000-003FFFh) is not protected from table reads executed in other blocks
0 = Block 1 (002000-003FFFh) is protected from table reads executed in other blocks
EBTR0: Table Read Protection bit
1 = Block 0 (000800-001FFFh) is not protected from table reads executed in other blocks
0 = Block 0 (000800-001FFFh) is protected from table reads executed in other blocks
Note 1: Unimplemented in PIC18FX455 devices; maintain this bit set.
REGISTER 25-12: CONFIG7H: CONFIGURATION REGISTER 7 HIGH (BYTE ADDRESS 30000Dh)
U-0
R/C-1
U-0
U-0
U-0
U-0
U-0
U-0
—
EBTRB
—
—
—
—
—
—
bit 7
bit 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
bit 7
bit 6
bit 5-0
Unimplemented: Read as ‘0’
EBTRB: Boot Block Table Read Protection bit
1 = Boot block (000000-0007FFh) is not protected from table reads executed in other blocks
0 = Boot block (000000-0007FFh) is protected from table reads executed in other blocks
Unimplemented: Read as ‘0’
© 2009 Microchip Technology Inc.
DS39632E-page 301