The Basic tab is used to specify the transform configuration and architecture in a similar way to page 1 of the Vivado IDE.
Implementation Options: Select an implementation option as described in Architecture Options .
• The Pipelined Streaming I/O, Radix-2 Burst I/O, and Radix-2 Lite Burst I/O architectures support point sizes 8 to 65536.
• The Radix-4 Burst I/O architecture supports point sizes 64 to 65536.
System Generator supports only single-channel implementation of the FFT and, hence, Channels is not available as a GUI option.