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24CSM01 Folha de dados(PDF) 29 Page - Microchip Technology

Nome de Peças 24CSM01
Descrição Electrónicos  1-Mbit, 3.4MHz I2C Serial EEPROM with 128-Bit Serial Number and Enhanced Software Write Protection
PDF  63 Pages
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Fabricante Electrônico  MICROCHIP [Microchip Technology]
Página de início  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

24CSM01 Folha de dados(HTML) 29 Page - Microchip Technology

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 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
0
1
...
14
15
16
17
...
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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