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Altera_Forum
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11 years ago

Variable Precision DSP in Arria V Devices

hey folks, I am new to altera stuff. I am porting my design from xilinx devices to altera devices. In that process am facing problems with DSPs porting. I am not finding dsp in altera similar...
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Altera_Forum
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11 years ago

hey tricky,

Thanks. yeah as u said xilinx has DSP48e1 to do all complex functions. But altera also as similar primitive

http://www.altera.co.uk/literature/hb/arria-v/av_52003.pdf which can do similar operations ( Variable Precision DSP in Arria V Devices). But don't know how to use it / infer it.

If i use (a x b) + (c x 1) it takes 2 dsps. than 2dsps extra luts are better i think.