MFRC522 not switchable to UART

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MFRC522 not switchable to UART

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PaoloArtuso
Contributor I

I am trying to use the UART interface instead of the SPI with MFRC522.

I set the EA pin and i2c to GND, but the communication is still working in SPI, I am not able to use UART.

Pin are measured with multimeter and value are ok.

Tried a reset with dedicated pin but still working is SPI  and not UART.

Is there any suggestion?

Thank you for support

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