Datasheet
PIC18F6525/6621/8525/8621
DS39612C-page 266 2003-2013 Microchip Technology Inc.
REGISTER 24-12: CONFIG7H: CONFIGURATION REGISTER 7 HIGH (BYTE ADDRESS 30000Dh)
REGISTER 24-13: DEVID1: DEVICE ID REGISTER 1 FOR PIC18F6525/6621/8525/8621 DEVICES
(ADDRESS 3FFFFEh)
REGISTER 24-14: DEVID2: DEVICE ID REGISTER 2 FOR PIC18F6525/6621/8525/8621 DEVICES
(ADDRESS 3FFFFFh)
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
RRRRRRRR
DEV2 DEV1 DEV0 REV4 REV3 REV2 REV1 REV0
bit 7 bit 0
bit 7-5 DEV2:DEV0: Device ID bits
100 = PIC18F8621
101 = PIC18F6621
110 = PIC18F8525
111 = PIC18F6525
bit 4-0 REV4:REV0: Revision ID bits
These bits are used to indicate the device revision.
Legend:
R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed u = Unchanged from programmed state
R-0 R-0 R-0 R-0 R-1 R-0 R-1 R-0
DEV10 DEV9 DEV8 DEV7 DEV6 DEV5 DEV4 DEV3
bit 7 bit 0
bit 7-0 DEV10:DEV3: Device ID bits
These bits are used with the DEV2:DEV0 bits in the Device ID Register 1 to identify the part
number.
0000 1010 = PIC18F6525/6621/8525/8621
Legend:
R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed u = Unchanged from programmed state