Datasheet

PIC18F2X1X/4X1X
DS39636D-page 246 © 2009 Microchip Technology Inc.
REGISTER 22-10: CONFIG7L: CONFIGURATION REGISTER 7 LOW (BYTE ADDRESS 30000Ch)
REGISTER 22-11: CONFIG7H: CONFIGURATION REGISTER 7 HIGH (BYTE ADDRESS 30000Dh)
U-0 U-0 U-0 U-0 R/C-1 R/C-1 R/C-1 R/C-1
— — — — EBTR3
(1,2)
EBTR2
(1)
EBTR1 EBTR0
bit 7 bit 0
bit 7-4 Unimplemented: Read as ‘0’
bit 3 EBTR3: Table Read Protection bit
(1,2)
1 = Block 3 (006000-007FFFh) not protected from table reads executed in other blocks
(3)
0 = Block 3 (006000-007FFFh) protected from table reads executed in other blocks
(3)
1 = Block 3 (00C000-00FFFFh) not protected from table reads executed in other blocks
(4)
0 = Block 3 (00C000-00FFFFh) protected from table reads executed in other blocks
(4)
bit 2 EBTR2: Table Read Protection bit
(1)
1 = Block 2 (004000-005FFFh) not protected from table reads executed in other blocks
(3)
0 = Block 2 (004000-005FFFh) protected from table reads executed in other blocks
(3)
1 = Block 2 (008000-00BFFFh) not protected from table reads executed in other blocks
(4)
0 = Block 2 (008000-00BFFFh) protected from table reads executed in other blocks
(4)
bit 1 EBTR1: Table Read Protection bit
1 = Block 1 (002000-003FFFh) not protected from table reads executed in other blocks
(3)
0 = Block 1 (002000-003FFFh) protected from table reads executed in other blocks
(3)
1 = Block 1 (004000-007FFFh) not protected from table reads executed in other blocks
(4)
0 = Block 1 (004000-007FFFh) protected from table reads executed in other blocks
(4)
bit 0 EBTR0: Table Read Protection bit
1 = Block 0 (000800-001FFFh) not protected from table reads executed in other blocks
(3)
0 = Block 0 (000800-001FFFh) protected from table reads executed in other blocks
(3)
1 = Block 0 (000800-003FFFh) not protected from table reads executed in other blocks
(4)
0 = Block 0 (000800-003FFFh) protected from table reads executed in other blocks
(4)
Note 1: Unimplemented in PIC18F2410/4410 devices; maintain this bit set.
2: Unimplemented in PIC18F2515/4515 devices; maintain this bit set.
3: Address range for 16K and 32K devices.
4: Address range for 48K and 64K devices.
Legend:
R = Readable bit C = Clearable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed u = Unchanged from programmed state
U-0 R/C-1 U-0 U-0 U-0 U-0 U-0 U-0
— EBTRB — — — — — —
bit 7 bit 0
bit 7 Unimplemented: Read as ‘0’
bit 6 EBTRB: Boot Block Table Read Protection bit
1 = Boot block (000000-0007FFh) not protected from table reads executed in other blocks
0 = Boot block (000000-0007FFh) protected from table reads executed in other blocks
bit 5-0 Unimplemented: Read as ‘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