Hi,
do you use an ST X-NUCLEO-NFC03A1 board or a custom board? Do you use the ST RFAL library for your application or your own implementation on top of the ST25R95 commands?
Can you provide detailed information about the Mifare tag being used (mifare7 is not a known model)?
Can you provide more information about "have not any response to Mifare7 and Felica card": what is the command being used and what is the return code?
Can you connect a login analyzer on SPI (CLK/MISO/MOSI/CS) + IRQ_OUT + IRQ_IN and provide a trace of you issue?
Rgds
BT
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