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Sinusgenerator version 2
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  •  Sinusgenerator.bit - Use <Sw0> to select the frequency of the output seen at <Ld0> (what do you expect to see?)
                                            The UPdown bit will be shown at
    Remember that its possible to select the system frequency: 25, 50 or 100 MHz

  •   SinusGen2.zip - Zippet project (ISE 9.2i) of the SinusGen2

This version based at the fact that Sin( x) = Sin( Pi -x) and Sin( x) = -Sin( x + Pi).     How much memory capacity  can be saved this way?