Forum Discussion
BharathKumarJK
New Contributor
New ContributorFFT intel FPGA IP is not working in variable streaming mode.
Hello All, I am using the FFT Intel FPGA IP , in variable streaming mode. The tool version is Intel Quartus Prime pro 21.4 . As soon as the rst_n is high the sink ready signal is going to 'X' sta...
Kshitij_Intel
Frequent Contributor
Frequent ContributorHi,
Please refer 3.2.1. Fixed-Point Variable Streaming FFTs (intel.com) especially, "For the first 8 clock cycles, the samples are fed unmodified through the butterfly unit to the delay feedback unit".
Also, please make sure, you are asserting and de-asserting sink_valid correctly as mentioned in the UG 3.4.2.4. Enabling the Variable Streaming FFT (intel.com).
Thank you
Kshitij Goel
