DE2 supports VHDL ams

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I wonna know if this board support vhdl ams

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VHDL-AMS is a language modelling construct, it does not imply that hardware has to support it, just that you can use the language to model hardware.

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in my project i need to generate a sine wave signal so i need to know if i can use the expansion header like outputs for this generated signal in VHDL ams and if Cyclon 2 can generate this type of signal?

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You have to use an digital-to-analog converter to generate your sinusoid. However, without knowing what frequency you need, its a bit hard to provide you your options.

The DE2 has audio and VGA components that might meet your needs, or you can buy a board that plugs into the headers. Check the Terasic web site for boards.

Cheers,

Dave