PIC18F242 MICROCHIP [Microchip Technology], PIC18F242 Datasheet - Page 204

• Manufacturer Part Number: PIC18F242
• Description: 28/40-pin High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18FXX2
REGISTER 19-12: DEVICE ID REGISTER 1 FOR PIC18FXX2 (DEVID1: BYTE ADDRESS 3FFFFEh)
REGISTER 19-13: DEVICE ID REGISTER 2 FOR PIC18FXX2 (DEVID2: BYTE ADDRESS 3FFFFFh)
DS39564C-page 202
bit 7-5
bit 4-0
bit 7-0
Legend:
R = Readable bit
- n = Value when device is unprogrammed
Legend:
R = Readable bit
- n = Value when device is unprogrammed
DEV2:DEV0: Device ID bits
000 = PIC18F252
001 = PIC18F452
100 = PIC18F242
101 = PIC18F442
REV4:REV0: Revision ID bits
These bits are used to indicate the device revision.
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.
bit 7
bit 7
DEV10
DEV2
R
R
DEV1
DEV9
R
R
P =Programmable bit
P =Programmable bit
DEV0
DEV8
R
R
REV4
DEV7
R
R
REV3
DEV6
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
R
R
REV2
DEV5
R
R
© 2006 Microchip Technology Inc.
REV1
DEV4
R
R
REV0
DEV3
R
R
bit 0
bit 0