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M24LR64-R Fiches technique(PDF) 33 Page - STMicroelectronics

No de pièce M24LR64-R
Description  64 Kbit EEPROM with password protection & dual interface: 400 kHz I²C serial bus & ISO 15693 RF protocol at 13.56 MHz
PDF  128 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24LR64-R Fiches technique(HTML) 33 Page - STMicroelectronics

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M24LR64-R
I2C device operation
Doc ID 15170 Rev 14
33/128
Figure 11.
Write mode sequences with I2C_Write_Lock bit = 0 (data write enabled)
Figure 12.
Write cycle polling flowchart using ACK
Byte Write
Dev Select
Byte address
Byte address
Data in
Page Write
Dev Select
Byte address
Byte address
Data in 1
Data in 2
AI15116
Data in N
ACK
R/W
ACK
ACK
ACK
ACK
ACK
ACK
ACK
R/W
ACK
ACK
Write cycle
in progress
AI01847d
Next
Operation is
addressing the
memory
Start condition
Device select
with RW = 0
ACK
returned
YES
NO
YES
NO
ReStart
Stop
Data for the
Write cperation
Ddevice select
with RW = 1
Send Address
and Receive ACK
First byte of instruction
with RW = 0 already
decoded by the device
YES
NO
StartCondition
Continue the
Write operation
Continue the
Random Read operation



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