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Discovery kit for the ST25DV-I2C-EVO dynamic NFC/RFID tag

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Parameter NameParameter Value
Core ProductST25DV64KC
Packing TypeNot Applicable
RoHs compliantEcopack2

The ST25DV64KC-DISCO is a demonstration kit to evaluate the features and capabilities of the ST25DVxxKC devices. It is based on the NFC ST25DV64KC device embedded on daughterboards using a Class 3 and 6 antenna and an STM32 processor driving a motherboard. A dedicated software stored in the Flash memory is provided.

The ST25DV64KC device is a dynamic NFC/RFID tag IC with a dual interface. It embeds a 64 Kbits EEPROM. It can be operated from an I2C interface, or by a 13.56 MHz RFID reader, or by an NFC phone.

The ST25DV64KC I2C interface uses a two-wire serial interface, consisting in a bidirectional data line and a clock line. The I2C two-wire serial interface behaves as a slave in the I2C protocol.

The RF protocol is compatible with ISO/IEC 15693 and NFC Forum Type 5 tag contactless interface.

The boards are powered through the USB connectors.

The schematics, BOM, gerber files, drivers and firmware sources can be downloaded from www.st.com.

Key features
  • ST25DV-DISCOVERY motherboard
    • STM32F476VGT6 LQFP100 32-bit microcontroller, with 1 Mbyte Flash memory, 192 + 4 Kbytes SRAM
    • LCD color screen (320 x 200 pixels)
    • Touch screen driver
    • Various color LEDs (power, user, ST link)
    • User push button
    • Joystick for menu selection
    • Reset button
    • On-board ST link for microcontroller firmware upgrade and debug
    • ST link mini USB
    • User micro USB (USB micro or mini connector for board powering)
    • Demonstration use cases stored in memory
  • ST25DV64KC Discovery ANT C3 and FLEX-ST25DV64KC antenna board
    • 50 mm x 40 mm and 25 mm x 20 mm 13.56 MHz inductive antennas etched on the PCB
    • ST25DV64KC Dynamic NFC / RFID tag
    • I2C interface connector
    • Energy harvesting output (VOUT) with a 10 nF capacitance filtering circuit
    • Configurable GPO