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PIC18F2525 Datasheet, PDF (259/390 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PIC18F2525/2620/4525/4620
REGISTER 23-12: DEVID1: DEVICE ID REGISTER 1 FOR PIC18F2525/2620/4525/4620 DEVICES
R
R
R
R
R
R
R
R
DEV2
DEV1
DEV0
REV4
REV3
REV2
REV1
REV0
bit 7
bit 0
bit 7-5
bit 4-0
DEV2:DEV0: Device ID bits
000 = PIC18F4620
010 = PIC18F4525
100 = PIC18F2620
110 = PIC18F2525
REV4:REV0: Revision ID bits
These bits are used to indicate the device revision.
Legend:
R = Read-only bit
P = Programmable bit
-n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
REGISTER 23-13: DEVID2: DEVICE ID REGISTER 2 FOR PIC18F2525/2620/4525/4620 DEVICES
R
R
R
R
R
R
R
R
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 1100 = PIC18F2525/2620/4525/4620 devices
Note: These values for DEV10:DEV3 may be shared with other devices. The specific
device is always identified by using the entire DEV10:DEV0 bit sequence.
Legend:
R = Read-only bit
P = Programmable bit
-n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
 2004 Microchip Technology Inc.
Preliminary
DS39626B-page 257