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  1. #1
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    Programming an fpga board

    i have a board with 8 led and my circuit output is a 32 bit vector.
    my question is how an i write a ucf file and connect the output to the leds?
    is it possible to break output and use a key to see out put continuously.
    please help me.thanks

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  2. #2
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    Re: programming an fpga board

    When you assign outputs you always do it per pin.
    I.E elements of the vector will be assigned to individual I/Os.
    Try to do it with the ISE GUI and see the generated UCF output.



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  3. #3
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    Re: programming an fpga board

    my question is how an i write a ucf file and connect the output to the leds?
    You want to connect the complete 32bits output?

    In that case the 8 LEDs are are limitation. So what you can do is to introduce is 32:8 encoder and connect that output to the LEDs.
    .....yes, I do this for fun!



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