fft ip core help needed

[saqib49]

i wants to join fft ip core block and inverse fft block in schematic view.. then wants to apply some input and gets same output after inverse fft.

pin layout in data sheet of fft ip core and pin layout in schematic symbol is different .. so basically i wants to know that, how to use fft ip core in xilink ise

 

[rahdirs]

What's the problem with assigning the o/p of fft core to the i/p of ifft core during port mapping.

Pin layout in the gui,it shows only ports that you are going to use based on your settings in the gui,but there is an option to show disabled ports as well(atleast Vivado has it,ISE i'm not sure)
FFT ip core:

Xilinx Manual: