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interfacing TRF7970A to Atmega

Other Parts Discussed in Thread: TRF7970A

Hi

we are planning to interface trf7970a to atmega using SPI, but i found the documents to read MIFARE UID but i didnt find any document  related to mifare authentication for Type A and Type B cards ,also to read and write Mifare cards. so please help me to solve this issue and please share me the documents.

Regrads

NAndish