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ST25DV64KC Folha de dados(PDF) 174 Page - STMicroelectronics

Nome de Peças ST25DV64KC
Descrição Electrónicos  Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM, fast transfer mode capability and optimized I2C
PDF  203 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV64KC Folha de dados(HTML) 174 Page - STMicroelectronics

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B.5
I²C random address read
B.5.1
I2C random address read in user memory
Table 286. Random byte read in User memory if read operation allowed (depending on area protection and
RF user security session)
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
DATA
Receive Data
NO_ACK
-
9th bit
Stop
-
End of Reading
Table 287. Random byte read in User memory if operation not allowed (depending on area protection and
RF user security)
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
ADDRESS_MSB
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Address LSB (1 Byte)
-
ACK
9th bit
Start A7h
-
Device select for reading
-
ACK
9th bit
-
FFh
Read of data not allowed
release SDA
NO_ACK
-
9th bit
Stop
-
End of Reading
ST25DV04KC ST25DV16KC ST25DV64KC
I²C random address read
DS13519 - Rev 3
page 174/203



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