parameter
value
range
explanation

Parameters controlling functionality

n 4–16384 DCT size
data width 6–32 datapath width, fixed point precision
constant width
2–16
 constant factor bitwidth
scaling mode   unscaled or scaled arithmetic

Parameters controlling resource usage

p
1–32
 degree of parallelism
constant storage   store constants using slice resources or BRAM
control logic storage   store control logic using slice resources or BRAM
FIFO threshold
2–32
 FIFO of >= depth will be built as BRAM.
       
data ordering   input/output data order