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ST25DV04K Datasheet(PDF) 170 Page - STMicroelectronics

Part # ST25DV04K
Description  Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM, and fast transfer mode capability
PDF  200 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV04K Datasheet(HTML) 170 Page - STMicroelectronics

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B.5.2
I2C Random address read in system memory
Table 284. Byte Read System memory (Static register or I2C Password after a valid Present I2C Password)
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
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 AFh
-
Device select for reading
-
ACK
9th bit
-
DATA
Receive Data
NO_ACK
-
9th bit
Stop
-
End of reading
B.5.3
I2C Random address read in dynamic registers
Table 285. Random byte read in Dynamic registers
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send Address MSB (1 Byte)
-
ACK
9th bit
ADDRESS_LSB
-
Send Adress 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
ST25DV04K ST25DV16K ST25DV64K
I2C random address read
DS10925 - Rev 9
page 170/200



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