MFRC523 Crystal Requirement

Forum / MIFARE and NFC Reader IC`s / MFRC523 Crystal Requirement

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  • 19. February 2016 at 9:12

    Rajesh Rajesh
    The datasheet specifies a 10pF CL and 100 Ohm ESR Crystal.
    How critical is this?
    For example, can i use a 18pF or a 12pF and 80 Ohm crystal?

    Thanks
    Rajesh
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    Re: MFRC523 Crystal Requirement

    3. March 2016 at 11:25

    mifaresdk

    Hi Rajesh,

    Of course you can use these values. Typically in new designs we use 15 pF as capacitors for the crystal. Everything underneath 100 Ohm should work but aware the crystal needs to be quite accurate.

    The MIFARE Team
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    Re: MFRC523 Crystal Requirement

    3. March 2016 at 14:03

    Rajesh Rajesh
    Great! Thanks a lot for your response.

    Regards
    Rajesh
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