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M24LR04E-R 数据表(PDF) 35 Page - STMicroelectronics

部件名 M24LR04E-R
功能描述  4-Kbit EEPROM with password protection, dual interface & energy harvesting: 400 kHz I²C bus & ISO 15693 RF protocol at 13.56 MHz
PDF  142 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M24LR04E-R 数据表(HTML) 35 Page - STMicroelectronics

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M24LR04E-R
I2C device operation
Doc ID 022208 Rev 5
35/142
Figure 9.
Write mode sequences with I2C_Write_Lock bit = 0 (data write enabled)
Figure 10.
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 operation
Device select
with RW = 1
Send address
and receive ACK
First byte of instruction
with RW = 0 already
decoded by the device
YES
NO
Start
condition
Continue the
Write operation
Continue the
Random Read operation



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