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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...
Altera_Forum's avatar
Altera_Forum
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11 years ago

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hey,

Thanks for info..

I synthesized following code which I found in the above document. It's inferring dsp and 17 luts for adder, 39 registers. Actually it should infer adder also inside dsp.

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No it wont. Like we said, the DSPs only have pre-multiplier adders. So you need to do any adition before the multiply to even hope that the adder goes in the DSP.