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ST25DV64KC Datasheet(PDF) 168 Page - STMicroelectronics

Part # ST25DV64KC
Description  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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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV64KC Datasheet(HTML) 168 Page - STMicroelectronics

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B.2.3
I2C byte write in mailbox and polling
Table 273. Byte Write in mailbox when mailbox is free from RF message and fast transfer mode is
activated
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send mailbox address MSB (1 Byte)
-
ACK
9th bit
08h
-
Send Address LSB (1 Byte)
Write must be done at first address of mailbox
-
ACK
9th bit
DATA
-
Send Data
-
ACK
9th bit
Stop
-
Immediate update of mailbox
Table 274. Byte Write in mailbox when mailbox is not free from RF message fast transfer mode is not
activated
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start A6h
-
Device select for writing
-
ACK
9th bit
20h
-
Send mailbox address MSB (1 Byte)
-
ACK
9th bit
08h
-
Send Address LSB (1 Byte)
Write must be done at first address of mailbox
-
ACK
9th bit
DATA
-
Send Data
-
NoACK
9th bit Access
Mailbox busy or FTM not activated
Stop
-
No Programming
Device return in Standby
ST25DV04KC ST25DV16KC ST25DV64KC
I²C Byte writing and polling
DS13519 - Rev 3
page 168/203



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