24LCS52-SLASHMCG datasheet(10/28 Pages) MICROCHIP

部件名	24LCS52-/MCG

功能描述	2K 2.2V I2C??Serial EEPROM with Software Write-Protect

PDF	28 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

10 / 28 page

24AA52/24LCS52

DS21166J-page 10

FIGURE 6-2:

RESETTING WRITE-PROTECT FUSE (RWPF)

6.3

Hardware Write-Protect

The WP pin can be tied to VCC or VSS. If tied to VCC, the

entire array will be write-protected, regardless of

whether the software write-protect register has been

written or not. If the WP pin is set to VCC, it will prevent

the software write-protect register from being written. If

the WP is tied to VSS, write protection is determined by

the status of the software write-protect register for

addresses 00h-7Fh. Addresses 80h-FFh are solely

protected by the WP pin level.

101

Bus Activity

Master

SDA Line

Bus Activity

Word

Address (0x09)

Data (0xFF)

10 0 1

WP = VHH = VCC + 5.5V

00 0

00 00 1

1 1 1 1 11

RWPF

Command

Control

Byte

TWC

μs

000

Note:

Clock = 100 kHz, VDD = 1.8V to 5.5V

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