parameter
value
range
explanation

Problem specification

transform size 4–32768 Number of samples (?)
direction forward or inverse DFT (?)
data type fixed or floating point (?)
bits
4–32 bits
fixed point precision (?)
scaling mode (?)

Parameters controlling implementation

architecture iterative or fully streaming (?)
radix
size of DFT basic block (?)
streaming width
2–64
number of complex words per cycle (?)
data ordering   natural or digit-reversed data order (?)
BRAM budget   maximum # of BRAMs to utilize (-1 for no limit) (?)