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24CSM01 Datasheet(PDF) 18 Page - Microchip Technology

Part # 24CSM01
Description  1-Mbit, 3.4MHz I2C Serial EEPROM with 128-Bit Serial Number and Enhanced Software Write Protection
PDF  63 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

24CSM01 Datasheet(HTML) 18 Page - Microchip Technology

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24CSM01
DS20006781B
-page 18
Preliminary
 2023 Microchip Technology Inc. and its subsidiaries
6.6.2
ENHANCED SOFTWARE WRITE
PROTECTION MODE
When the EWPM bit is set to logic ‘1’, the 24CSM01 is
configured for a versatile software write protection
scheme by segmenting the EEPROM array into eight
independent 128-Kbit zones (see Table 6-2). Each of
the eight zones can be write-protected by programming
the corresponding bit in the Configuration register. The
protection behavior can be made permanent by locking
the Configuration register (see Section 9.5 “Locking
the Configuration Register” for additional details).
Note:
Enhanced software write protection does
not affect write operations to the Security
and Configuration registers.
TABLE 6-2:
24CSM01 ZONE PROTECTION CONTROL
Configuration Register Bit
Protected Zone
Protected Address Range
SWP7
7
1C000h - 1FFFFh
SWP6
6
18000 - 1BFFFh
SWP5
5
14000h - 17FFFh
SWP4
4
10000h - 13FFFh
SWP3
3
0C000h - 0FFFFh
SWP2
2
08000h - 0BFFFh
SWP1
1
04000h - 07FFFh
SWP0
0
00000h - 03FFFh



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