_pace.ucf

来自「Xilinx的培训教程的源码 virtex」· UCF 代码 · 共 5 行

NET "clk" TNM_NET = "clk";
TIMESPEC "TS_clk" = PERIOD "clk" 20 ns HIGH 50 %;
OFFSET = IN 6 ns BEFORE "clk"  ;
OFFSET = OUT 7.5 ns AFTER "clk"  ;