M24M01-R_V01 datasheet(21/47 Pages) STMICROELECTRONICS

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M24M01-R Fiches technique(PDF) 21 Page - STMicroelectronics

No de pièce	M24M01-R

Description	1-Mbit serial I²C bus EEPROM

PDF	47 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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21 / 47 page

DocID12943 Rev 14

21/47

M24M01-R M24M01-DF

Instructions

5.4

Read the lock status

(M24M01-D only)

The locked/unlocked status of the Identification page can be checked by transmitting a

specific truncated command [Identification Page Write instruction + one data byte] to the

device. The device returns an acknowledge bit if the Identification page is unlocked,

otherwise a NoAck bit if the Identification page is locked.

Right after this, it is recommended to transmit to the device a Start condition followed by a

Stop condition, so that:

•

Start: the truncated command is not executed because the Start condition resets the

device internal logic,

•

Stop: the device is then set back into Standby mode by the Stop condition.

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