Mixed Radix FFT Configuration Parameters - 2024.1 English

Vitis Libraries

Release Date
2024-05-30
Version
2024.1 English

For the Mixed Radix library element, use the following list of configurable parameters and default values.

Table 75 FFT Configuration Parameters
Name Type Default Description
DATA_TYPE typename cint16 Data Type.
TWIDDLE_TYPE typename cint16 Twiddle Type.
POINT_SIZE unsigned 48 FFT point size.
SHIFT unsigned 6 See Common Configuration Parameters
FFT_NIFFT unsigned 0 Forward (1) or reverse (0) transform.
WINDOW_VSIZE unsigned 48

Input/Output window size.

By default, set to: $(POINT_SIZE).

CASC_LEN unsigned 1 Cascade length.
API_IO unsigned 0

Graph’s port API.

0: window

1: stream

NITER unsigned 4 See Common Configuration Parameters
DIFF_TOLERANCE unsigned 0 See Common Configuration Parameters
STIM_TYPE unsigned 0 See Common Configuration Parameters
ROUND_MODE unsigned 0 See Common Configuration Parameters
SAT_MODE unsigned 1 See Common Configuration Parameters

Note

The above configurable parameters range may exceed a library element’s maximum supported range, in which case, the compilation will end with a static_assert error informing about the exceeded range.