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24CS512 Arkusz danych(PDF) 30 Page - Microchip Technology

Numer części 24CS512
Szczegółowy opis  512-Kbit, 3.4MHz I2C Serial EEPROM with 128-Bit Serial Number and Enhanced Software Write Protection
PDF  66 Pages
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Producent  MICROCHIP [Microchip Technology]
Strona internetowa  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

24CS512 Arkusz danych(HTML) 30 Page - Microchip Technology

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24CS512
DS20005769C-page 30
 2018-2021 Microchip Technology Inc.
10.0 SECURITY REGISTER
The 24CS512 includes a 256-byte Security register,
organized as two 128-byte pages. The Security register
is segmented into a 128-byte read-only section and a
128-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
...
126
127
Factory Programmed (read-only)
0-15: Device Serial Number
Reserved for Future Use
128
129
130
131
...
252
253
254
255
User-Programmable Lockable Identification Page



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