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NASOK.1
NASOK.1
Associate II
August 17, 2023
Solved

Trying to detect the NFC tap

  • August 17, 2023
  • 1 reply
  • 889 views

I am trying to detect the NFC tap and try to raise a flag whenever a flag is seen and to do the same function each time.is there any example available?I am able to read and write to EEPROM but I don't get any idea how to detect a tap

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Best answer by Berenice BENVEGUDA

Hi @NASOK.1 ,

Please have a look at GPO feature in ST25DV datasheet available there : https://www.st.com/en/nfc/st25dv64kc.html

the RF_ACTIVITY or FIELD_CHANGE mode can help you to fit with your needs. at a tap you will be able to get a flag on GPO output.

I hope this helps,

Best Regards,

BB

1 reply

Berenice BENVEGUDA
Berenice BENVEGUDABest answer
Technical Moderator
August 22, 2023

Hi @NASOK.1 ,

Please have a look at GPO feature in ST25DV datasheet available there : https://www.st.com/en/nfc/st25dv64kc.html

the RF_ACTIVITY or FIELD_CHANGE mode can help you to fit with your needs. at a tap you will be able to get a flag on GPO output.

I hope this helps,

Best Regards,

BB

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