FFT IP Core: User Guide

ID 683374
Date 11/06/2017
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3.3.2. Single-Output FFT Engine

For the minimum-size FFT function, use a single-output engine. The term single-output refers to the throughput of the internal FFT butterfly processor. In the engine, the FFT calculates a single butterfly output per clock cycle, requiring a single complex multiplier.
Figure 10. Single-Output FFT Engine