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Maximum Transform length for Startix IV FFT IP

Altera_Forum
Honored Contributor II
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Hi, I used Altera FFT IP to design my project. The quartus version is 9.0 while IP version is V9.0 Build 132.  

 

I tried to configure transform length to 32768 but I found maximum Transform length is 16384. I read the datasheet of the FFT IP and found the maximum Transform length could be 2^16=65536. Is there someting wrong with my setting? Or Should I update my quartus II and FFT IP to latest version to support this feature? 

 

Thanks a lot!
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