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Has anyone used high speed SPI communication with PICASSO?

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  • Has anyone used high speed SPI communication with PICASSO?

    Has anyone used high speed SPI communication with PICASSO?

    What is the speed that you could reach using SPI for communication?

    There is some function or library for it?

    I´m using µVGA-II (PICASSO)




    Thanks

  • #2


    The only SPI is that already supported for uSD cards. This is highly optimised to aid in the fetch and display of images and videos.



    I thought a user had done a bit banged SPI using the IO lines but can't seem to find the post. This would not be very fast, but would be fine for reading digital pots and the like.
    Mark

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    • #3


      Do you know WHat is the maximum frequency that can I change an IO line?

      I´m asking you about that because I´ve not bought the uVGA module yet! 100kHz could be enough for me.

      Do you know if audio playing could affect program execution speed?

      Thanks

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