PIC18F2458 Datasheet, PDF (32/46 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash, USB Microcontrollers with 12-Bit A/D and nanoWatt Technology

PIC18F2458/2553/4458/4553
REGISTER 3-1: DEVID1: DEVICE ID REGISTER 1 FOR PIC18F2458/2553/4458/4553 DEVICES
R
DEV2
bit 7
R
DEV1
R
DEV0
R
REV4
R
REV3
R
REV2
R
REV1
R
REV0
bit 0
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
bit 7-5
bit 4-0
DEV2:DEV0: Device ID bits
See Register 3-2 for a complete listing.
REV3:REV0: Revision ID bits
These bits are used to indicate the device revision.
REGISTER 3-2: DEVID2: DEVICE ID REGISTER 2 FOR PIC18F2458/2553/4458/4553 DEVICES
R
DEV10
bit 7
R
DEV9
R
DEV8
R
DEV7
R
DEV6
R
DEV5
R
DEV4
R
DEV3
bit 0
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
bit 7-0
DEV10:DEV3: Device ID bits
DEV10:DEV3
(DEVID2<7:0>)
0010 1010
0010 1010
0010 1010
0010 1010
DEV2:DEV0
(DEVID1<7:5>)
011
010
001
000
Device
PIC18F2458
PIC18F2553
PIC18F4458
PIC18F4553
DS39887B-page 30
Preliminary
© 2007 Microchip Technology Inc.