ST25DV04K datasheet(25/220 Pages) STMICROELECTRONICS

No. de pieza	ST25DV04K

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

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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ST25DV04K ST25DV16K ST25DV64K

Memory management

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Figure 7. Memory organization

4.2

User memory

User memory is accessible from both RF contactless interface and I2C wired interface.

From RF interface, user memory is addressed as Blocks of 4 bytes, starting at address 0.

RF extended read and write commands can be used to address all ST25DVxxx memory

blocks. Other read and write commands can only address up to block FFh.

From I2C interface, user memory is addressed as Bytes, starting at address 0. Device select

must set E2 = 0. User memory can be read in continuity. Unlike the RF interface, there is no

roll-over when the requested address reaches the end of the memory capacity.

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