We are tied to communicate TRF7970A NFC/RFID module using SPI interface, but the TRF7970A chip is not giving any response. Please provide the valid steps to initialize the TRF7970 module and then how to verify the chip is responding correctly.
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We are tied to communicate TRF7970A NFC/RFID module using SPI interface, but the TRF7970A chip is not giving any response. Please provide the valid steps to initialize the TRF7970 module and then how to verify the chip is responding correctly.