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TRF7970A - Texas Instruments

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TRF7970A NFC Transceiver

The TRF7970A device is an integrated analog front end (AFE) and multiprotocol data-framing device for a 13.56-MHz NFC/RFID system supporting all three NFC operation modes – reader/writer, peer-to-peer, and card emulation according to ISO/IEC 14443 A and B, Sony FeliCa, ISO/IEC 15693, NFCIP-1 (ISO/IEC 18092), and NFCIP-2 (ISO/IEC 21481). Built-in programming.

Features

1
• Supports Near Field Communication (NFC) Standards NFCIP-1 (ISO/IEC 18092) and NFCIP‑2 (ISO/IEC 21481)
• Completely Integrated Protocol Handling for ISO/IEC 15693, ISO/IEC 18000-3, ISO/IEC 14443 A and B, and FeliCa™
• Integrated Encoders, Decoders, and Data Framing for NFC Initiator, Active and Passive Target Operation for All Three Bit Rates (106 kbps, 212 kbps, 424 kbps), and Card Emulation
• RF Field Detector With Programmable Wake-up Levels for NFC Passive Transponder Emulation Operation
• RF Field Detector for NFC Physical Collision Avoidance
• Integrated State Machine for ISO/IEC 1444.

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