rax2 fft implation the fft in verilog instance and in ise of xilinx it show how to istance fft core and the port used

fftprocessing can complete 256 pointsFFT.-Hardware Descr iption Language(HDL)is an advanced electronic designmethod．After HDL was put into use，it has draw great attention and gained popularity．The design used Verilog HDL and Schematic for entry tools