ST25DV64K datasheet(164/200 Pages) STMICROELECTRONICS

Part #	ST25DV64K

Description	Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM, and fast transfer mode capability

PDF	200 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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164 / 200 page

B.2.4

I2C byte write and polling in system memory

Table 271. Byte Write in System memory if I2C security session is open and register is not RO

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

DATA

Send Data

ACK

9th bit

Stop

Start of Programming

Table 272. Polling during programing after byte write in System memory if I2C security session is open

and register is not RO

Request/Response Frame

Comment

Master drives SDA

Slave drives SDA

Start AEh

Device select for writing

NoACK

9th bit Device Busy

Start AEh

Device select for writing

NoACK

9th bit Device Busy

Start AEh

Device select for writing

...

9th bit

Start AEh

Device select for writing

ACK

9th bit Device ready

Programing completed

Stop

end of Polling

ST25DV04K ST25DV16K ST25DV64K

I2C Byte writing and polling

DS10925 - Rev 9

page 164/200

ST25DV64K Datasheet(PDF) 164 Page - STMicroelectronics

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