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Altera_Forum
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11 years ago

How to break up long FIR DSP block chain?

Dear all, I finally managed to infer a FIR filter (systolic per pair of two located in one DSP block) using DSP blocks with all relevant registers inside the DSP blocks (on my Arria V StarterKi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

@Tricky

Actually, my filter is built in systolic way with systolic registers every two taps (after each DSP block), so register are basically already there. I don't want to spend additional latency, so I'm searching a way to tell the synthesizer to do it with the given architecture.

@kaz

Unfortunately, the filter is not symmetric. Parameters are loaded from the outside, as I have virtually unlimited number of parameter sets.