About NFC Tag

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The NFC Tag operates as a dual port memory.
You have the the NFC protocol from one side and the I²C bus interface from the other side.
It features a 1 kB EEPROM memory.
The chip does not have to be powered when being accessed from the NFC side.

Note

NFC (or Near Field Communication) is a great technology for transferring data on a short distance (a couple of centimeters). This attribute makes this technology appealing for security key provisioning. Many smartphones are today equipped with the NFC technology.

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Schematic drawing

SDK Library

Header File

Source File

Features

  • Integrated NFC tag NT3H2111 (NXP)

  • Communication using I²C bus

  • 1 kB EEPROM memory

  • Optional interrupt output

  • Optional energy harvesting output

  • Operating current: 240 µA

  • Operating voltage range: 1.7 V to 3.6 V

  • Operating temperature range: -20 to 70 °C

  • Mechanical dimensions: 16 x 16 mm