# blinker.ucf # # a simple user constraints file for the tutorial # We've got a 50MHz clock, so we want to make sure that the place # and route realizes this and makes sure that the system can run at # 50 MHz NET "sys_clk" TNM_NET = "sys_clk"; TIMESPEC "TS_sys_clk" = PERIOD "sys_clk" 50 MHz HIGH 50%; # These connect logical signals to physical pins on the chip. The # format is # # NET LOC = # where is the name of the net as defined in the ports window # and is the physical pin that should be connected # to that net. NET "sys_clk" LOC = "AL17"; NET "gpio<0>" LOC = "AJ2"; NET "sys_reset" LOC = "AJ1";