Texas Instruments Texas Instruments TRF7970A 收发器IC

Texas Instruments TRF7970A 收发器IC是一款用于13.56MHz RFID/近场通信系统的集成模拟前端和数据组帧器件。内置编程选项使得此器件适合于广泛的相邻或者附近识别系统的应用。它能够执行以下三种模式中的任一模式:RFID/NFC读取器、NFC对等点、或者卡仿真模式。通过在控制寄存器中选择所需的协议可对TRF7970A进行配置。到所有控制寄存器的直接存取可根据需要对不同的读取器参数进行微调。

特性

  • Supports Near Field Communication (NFC) Standards NFCIP-1 (ISO/IEC 18092) and NFCIP 2 (ISO/IEC 21481)
  • Completely Integrated Protocol Handling for ISO15693, ISO18000-3, ISO14443A/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 ISO14443A Anticollision (Broken Bytes) Operation (Transponder Emulation or NFC Passive Target)
  • Input Voltage Range: 2.7 VDC to 5.5 VDC

应用

  • Mobile Devices (Tablets, Handsets)
  • Secure Pairing (Bluetooth, WiFi, Other Paired Wireless Networks)
  • Public Transport or Event Ticketing
  • Passport or Payment (POS) Reader Systems
  • Short-Range Wireless Communication Tasks (Firmware Updates)
  • Product Identification or Authentication
  • Medical Equipment or Consumables
  • Access Control, Digital Door Locks
  • Sharing of Electronic Business Cards

Block Diagram

Texas Instruments Texas Instruments TRF7970A 收发器IC
发布日期: 2013-07-05 | 更新日期: 2022-03-11