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Thread: Quartus II mux for schematic entry?

  1. #1
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    Default Quartus II mux for schematic entry?

    Sorry for the newbie question:

    I have Quartus II 4.2 Web edition.

    I don't see a multiplexer symbol in the Quartus library, unless I open the Max II folder. Ok to use the Max II 74 series libraries?

    Thanks

    JohnP

  2. #2
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    Default Re: Quartus II mux for schematic entry?

    Hmm. No design files for MaxPlus logic cells.

    Guess I have to make a mux from AND and OR gates?

  3. #3
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    Default Re: Quartus II mux for schematic entry?

    Have you tried looking under megafunctions/gates/ ?

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    Default Re: Quartus II mux for schematic entry?

    Clancy:

    I placed "BUSMUX" into my desgn. I set the "width" parameter to 8, then double clicked on the mux icon, error message says:

    Can't locate design file for entry "BUSMUX"

  5. #5
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    Default Re: Quartus II mux for schematic entry?

    Use lpm_mux.
    Make sure you have "Launch MegaWizard Plug-In" check box selected.
    Press OK.
    Select your HDL language (it will autogenerate a wrapper in the language you select).
    Press Next and enter the mux parameters. Continue to Finish.

    I hope this helps
    Always use lpm_ library components if available.

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