24CSM01-ESLASHP datasheet(29/63 Pages) MICROCHIP

부품명	24CSM01-E/P

상세설명	1-Mbit, 3.4MHz I2C Serial EEPROM with 128-Bit Serial Number and Enhanced Software Write Protection

PDF	63 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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29 / 63 page

 2023 Microchip Technology Inc. and its subsidiaries

Preliminary

DS20006781B

-page 29

24CSM01

10.0 SECURITY REGISTER

The 24CSM01 includes a 512-byte Security register,

organized as two 256-byte pages. The Security register

is segmented into a 256-byte read-only section and a

256-byte user-programmable lockable identification

page section. Device and word address requirements

to access the Security register are outlined in

Section 3.3.1 “Valid Device Address Byte Inputs”

and Section 3.3.2 “Word Address Bytes”.

The user-programmable portion supports both byte

write and page write operations. The read-only section

contains a preprogrammed, ensured unique, 128-bit

serial number. The user-programmable portion may be

permanently locked with the lock operation.

Note:

The entire 128-bit serial number must be

used to ensure a unique number.

TABLE 10-1:

SECURITY REGISTER ORGANIZATION

Security Register Byte Number

...

254

255

Factory Programmed (read-only)

0-15: Device Serial Number

Reserved for Future Use

256

257

258

259

...

508

509

510

511

User-Programmable Lockable Identification Page

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