ST25DV64K datasheet(205/220 Pages) STMICROELECTRONICS

부품명	ST25DV64K

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

PDF	220 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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205 / 220 page

DocID027603 Rev 4

205/220

ST25DV04K ST25DV16K ST25DV64K

I2C sequences

219

B.4

I2C Read current address

B.4.1

I2C current address read in User memory

Table 239. Polling during programing after sequential write in mailbox

Request/Response Frame

Comment

Master drives SDA Slave drives SDA

Start A6h

Device select for writing

-ACK

9th bit Device ready

Mailbox is immediately updated

Stop

End of Polling

Table 240. Current 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 A7h

Device select for reading

ACK

9th bit

DATA

Receive Data located on last pointed address+1, or at

address 0 after power-up, in user memory

NO_ACK

9th bit

Stop

End of Reading

Table 241. Current Read in User memory if read operation not allowed

(depending on area protection and RF user security session)

Request/Response Frame

Comment

Master drives SDA Slave drives SDA

Start A7h

Device select for reading

ACK

9th bit

FFh

Read of data not allowed

ST25DV release SDA

NO_ACK

9th bit

Stop

End of Reading

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