PIC16F1847 datasheet(52/408 Pages) MICROCHIP

tên linh kiện	PIC16F1847

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PIC16(L)F1847

DS41453B-page 52

Preliminary

 2011 Microchip Technology Inc.

4.5

Device ID and Revision ID

The memory location 8006h is where the Device ID and

Revision ID are stored. The upper nine bits hold the

Device ID. The lower five bits hold the Revision ID. See

Section 11.5 “User ID, Device ID and Configuration

Word Access”

for more information on accessing

these memory locations.

Development tools, such as device programmers and

debuggers, may be used to read the Device ID and

Revision ID.

DEVICEID: DEVICE ID REGISTER(1)

U-1

R/P-1

—

DEV8

DEV7

DEV6

DEV5

DEV4

DEV3

bit 15

bit 8

R/P-1

DEV2

DEV1

DEV0

REV4

REV3

REV2

REV1

REV0

bit 7

bit 0

Legend:

P = Programmable bit

U = Unimplemented bit, read as ‘0’

R = Readable bit

W = Writable bit

‘0’ = Bit is cleared

-n = Value at POR

‘1’ = Bit is set

x = Bit is unknown

bit 15-14

Unimplemented:

Read as ‘1’

bit 13-5

DEV<8:0>:

Device ID bits

010100100 =

PIC16F1847

010100101 =

PIC16LF1847

bit 4-0

REV<4:0>:

Revision ID bits

These bits are used to identify the revision.

Note

This location cannot be written.

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