Ultralight write problem with serial interface

Forum / MIFARE and NFC Reader IC`s / CLRC663 family / Ultralight write problem with serial interface

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  • 11. April 2018 at 23:25

    Mert Mertce
    I have a microcontroller which has integrated CLRC663 with SPI. It works well.
    I have another CLRC663 connected to the same microcontroller through serial port.
    This second one selects and reads Ultralight card as well. However, when it tries to write on Ultralight, mful_write gives PH_ERR_FRAME_ERROR (status code 0x0205).
    The software is the same. Only, HAL (BAL) interface is serial.

    Please help.
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