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ST25DV64K Scheda tecnica(PDF) 206 Page - STMicroelectronics

Il numero della parte ST25DV64K
Spiegazioni elettronici  Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM,and fast transfer mode capability
PDF  220 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV64K Scheda tecnica(HTML) 206 Page - STMicroelectronics

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I2C sequences
ST25DV04K ST25DV16K ST25DV64K
206/220
DocID027603 Rev 4
B.5
I2C random address read
B.5.1
I2C random address read in user memory
Table 242. 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 243. 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
ST25DVxxx release SDA
NO_ACK
-
9th bit
Stop
-
End of Reading



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