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In recent, as a typical example of RFID, the contactless IC card is widely used in traffic, access control system and so forth. And its use becomes a general tendency more and more because of the development of RF technology and improvement of requirement for user convenience. This paper describes the hardware module to process embedded contactless protocol for implementation contactless IC card. And the hardware module consists of analog circuits and specific digital logic circuits. This paper also describes more effective design method of contactless IC card, which method separates into analog circuit parts, digital logic circuit part, and software parts according to the role of the design parts. |
