PIC18F2420-ESLASHP datasheet(259/412 Pages) MICROCHIP

259 / 412 page

DS39631E-page 257

PIC18F2420/2520/4420/4520

DEV2

DEV1

DEV0

REV4

REV3

REV2

REV1

REV0

bit 7

bit 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

bit 7-5

DEV<2:0>:

Device ID bits

110

= PIC18F4420

100

= PIC18F4520

010

= PIC18F2420

000

= PIC18F2520

bit 4-0

REV<4:0>:

Revision ID bits

These bits are used to indicate the device revision.

DEV10(1)

DEV9(1)

DEV8(1)

DEV7(1)

DEV6(1)

DEV5(1)

DEV4(1)

DEV3(1)

bit 7

bit 0

Legend:

R = Read-only bit

P = Programmable bit

U = Unimplemented bit, read as ‘0’

-n = Value when device is unprogrammed

u = Unchanged from programmed state

bit 7-0

DEV<10:3>:

Device ID bits(1)

These bits are used with the DEV<2:0> bits in Device ID Register 1 to identify the part number.

0001 0001

= PIC18F2420/2520 devices

0001 0000

= PIC18F4420/4520 devices

Note 1:

These values for DEV<10:3> may be shared with other devices. The specific device is always identified by

using the entire DEV<10:0> bit sequence.

PIC18F2420-E/P Datasheet(PDF) 259 Page - Microchip Technology

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