24CSM01 datasheet(18/63 Pages) MICROCHIP

부품명	24CSM01

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

PDF	63 Pages

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제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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18 / 63 page

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

1C000h - 1FFFFh

SWP6

18000 - 1BFFFh

SWP5

14000h - 17FFFh

SWP4

10000h - 13FFFh

SWP3

0C000h - 0FFFFh

SWP2

08000h - 0BFFFh

SWP1

04000h - 07FFFh

SWP0

00000h - 03FFFh

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