Datasheet
PIC18F2220/2320/4220/4320
DS39599G-page 244 © 2007 Microchip Technology Inc.
REGISTER 23-10: CONFIG7L: CONFIGURATION REGISTER 7 LOW (BYTE ADDRESS 30000Ch)
U-0 U-0 U-0 U-0 R/P-1 R/P-1 R/P-1 R/P-1
— — — — EBTR3
(1)
EBTR2
(1)
EBTR1 EBTR0
bit 7 bit 0
Legend:
R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed u = Unchanged from programmed state
bit 7-4 Unimplemented: Read as ‘0’
bit 3 EBTR3: Table Read Protection bit
(1)
1 = Block 3 (001800-001FFFh) not protected from table reads executed in other blocks
0 = Block 3 (001800-001FFFh) protected from table reads executed in other blocks
bit 2 EBTR2: Table Read Protection bit
(1)
1 = Block 2 (001000-0017FFh) not protected from table reads executed in other blocks
0 = Block 2 (001000-0017FFh) protected from table reads executed in other blocks
bit 1 EBTR1: Table Read Protection bit
1 = Block 1 (000800-000FFFh) not protected from table reads executed in other blocks
0 = Block 1 (000800-000FFFh) protected from table reads executed in other blocks
bit 0 EBTR0: Table Read Protection bit
1 = Block 0 (000200-0007FFh) not protected from table reads executed in other blocks
0 = Block 0 (000200-0007FFh) protected from table reads executed in other blocks
Note 1: Unimplemented in PIC18FX220 devices; maintain this bit set.
REGISTER 23-11: CONFIG7H: CONFIGURATION REGISTER 7 HIGH (BYTE ADDRESS 30000Dh)
U-0 R/P-1 U-0 U-0 U-0 U-0 U-0 U-0
— EBTRB — — — — — —
bit 7 bit 0
Legend:
R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed u = Unchanged from programmed state
bit 7 Unimplemented: Read as ‘0’
bit 6 EBTRB: Boot Block Table Read Protection bit
1 = Boot block (000000-0001FFh) is not protected from table reads executed in other blocks
0 = Boot block (000000-0001FFh) is protected from table reads executed in other blocks
bit 5-0 Unimplemented: Read as ‘0’