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RFid click - MikroElektronika CR95HF Integrated Transceiver

  • $39.00AUD
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  • (Exc. GST)


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  • RFid click - MikroElektronika CR95HF Integrated Transceiver

    RFid click features CR95HF 13.56 MHz contactless transceiver as well as trace antenna. The click is designed to run on a 3.3V power supply only. It communicates with the target MCU via mikroBUS™ UART (TX, RX), SPI (MISO, MOSI, SCK, CS) INT, RST, PWM and AN lines.

    The click functions as an integrated transceiver for contactless applications. The board contains a dedicated internal frame controller and analog front end (AFE) for RF communications. It supports ISO/IEC 14443 type A and B, ISO/IEC 15693 and ISO/IEC 18092 protocols (tags) as well as the detection, reading and writing of NFC forum type 1, 2, 3 and 4 tags.

    CR95HF integrated transceiver

    The CR95HF has 2 operating modes: Wait for Event (WFE) and Active.

    In Active mode, the CR95HF communicates actively with a tag or an external host. WFE mode includes four low consumption states: Power-up, Hibernate, Sleep and Tag Detector. The transceiver can switch from one mode to another.

    The Hibernate state has the lowest power consumption out of the four states (1 µA typ. 5 µA max.).

    SMD jumpers

    Two SMD jumpers are provided on the board. In case you want to use UART interface, it is necessary to solder SMD jumpers in B position. Otherwise, if you want to use SPI interface, jumpers should be left in its default position (A). In that case interrupt pins (IN and OUT) are usable.

    Key features

    • CR95HF IC
      • Operating modes supported: Reader/Writer
      • RF communication @13.56 MHz
      • Supports NFC Forum Type 1, 2, 3 and 4 tags
    • 3.3V power supply
    • Interface: UART, SPI

    Downloads


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