kishore2k4 said:Use Xilinix Architecture Wizard(XAW). It is fully graphical so its just click-and-go. It will generate a HDL(Verilog/VHDL) file, which you can instantiate in your project. XAW also supports other architectural features that are specific to the part you are using. Incase you didn't know, XAW is accessible from the "Accessories" menu in your Start->Programs Menu.