PIC18F2220/2320/4220/4320
REGISTER 23-10: CONFIG7L:CONFIGURATIONREGISTER7LOW(BYTEADDRESS30000Ch)
U-0
—
U-0
—
U-0
—
U-0
—
R/P-1
EBTR3(1) EBTR2(1)
R/P-1
R/P-1
R/P-1
EBTR1
EBTR0
bit 7
bit 0
bit 7-4 Unimplemented: Read as ‘0’
bit 3
bit 2
bit 1
bit 0
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
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
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
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.
Legend:
R = Readable bit
P = Programmable bit
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
- n = Value when device is unprogrammed
REGISTER 23-11: CONFIG7H:CONFIGURATION REGISTER7 HIGH(BYTEADDRESS30000Dh)
U-0
—
R/P-1
U-0
—
U-0
—
U-0
—
U-0
—
U-0
—
U-0
—
EBTRB
bit 7
bit 0
bit 7
bit 6
Unimplemented: Read as ‘0’
EBTRB: Boot Block Table Read Protection bit
1= Boot block (000000-0001FFh) not protected from table reads executed in other blocks
0= Boot block (000000-0001FFh) protected from table reads executed in other blocks
bit 5-0 Unimplemented: Read as ‘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
2003 Microchip Technology Inc.
DS39599C-page 243