xst -ise "C:/DESIGNS/FPGA/Custom_Libera/Custom_Libera" -intstyle ise -ifn libera_pll.xst -ofn libera_pll.syr
ngdbuild -ise "C:/DESIGNS/FPGA/Custom_Libera/Custom_Libera" -intstyle ise -dd _ngo -nt timestamp -uc Custom_Libera.ucf -p xc2vp30-ff1152-6 libera_pll.ngc libera_pll.ngd