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NFC and APP Application

Question asked by Rich Hsu on Feb 9, 2020
Latest reply on Feb 10, 2020 by Ricardo Zamora

We are using NT3H211(NTAG) with I2C for mobile and MCU controlling. In datasheet, cheapt11, it mentioned: "If both interfaces are powered by their corresponding source, only one interface has access to the EEPROM and SRAM according to the "first-come, first-serve" principle".

So, here's the question, The mobile and MCU are both controlling NFC. The mobile finished NFC TAG read/write, and keep connecting NFC TAG (Mobile is still closed to NFC). How to change the control to MCU??


******I’m not familiar with using this, could someone please lend me a hand?