Hi All,
can some one guide me setting ucf for DLLs.I am using clkx2,clkx4,clkx8.The board I am suing is spartan 2 FPGA,Xc2s200 PQ208.I got the below errors.
ERROR:Place - Could not find an automatic placement for the following components: clock of type GCLK IOB is placed at GCLKPAD3 dll2x of type DLL is unplaced clk2xg of type GCLK BUFFER is unplaced dll4x of type DLL is unplaced clk4xg of type GCLK BUFFER is unplaced dll8x of type DLL is unplaced clk8xg of type GCLK BUFFER is unplaced Xilinx requires using locate constraints to preplace such connected GCLK/GCLKIO/DLL components.
Best Regards, Sri