41594B datasheet(46/372 Pages) MICROCHIP

tên linh kiện	41594B

Giải thích chi tiết về linh kiện	8-Bit Flash Microcontroller with nanoWatt XLP Technology

PDF	372 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

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PIC12LF1840T48A

DS41594B-page 46

Preliminary

 2011-2012 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)

RRRR

DEV8

DEV7

DEV6

DEV5

DEV4

DEV3

DEV2

bit 13

bit 7

RRRR

DEV1

DEV0

REV4

REV3

REV2

REV1

REV0

bit 6

bit 0

Legend:

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 13-5

DEV<8:0>: Device ID bits

011011110 = PIC12LF1840T48A

bit 4-0

REV<4:0>: Revision ID bits

These bits are used to identify the revision.

Note 1:

This location cannot be written.

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