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Altera_Forum
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19 years ago

FFT v6.1 - sink_ready de-asserting by itself

I have encountered a problem in FFT v6.1 (streaming architecture). It seems like the core is de-asserting sink_ready signal (for exactly three cycles) even if the core is not back-pressured. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

Something I have noticed about FFT v6.1 is that if you are running multiple FFTs in parallel with synchronized controls, the constants that are used are not shared, leading to large memory usage. In the previous version of the FFT core the constants would be shared, leading to lower overall memory requirements.