------------------------------------------------------- -- LIBRARY ieee; USE ieee.std_logic_1164.all; entity TICK_TOCK is generic ( PERIOD : time ); port ( clk: out std_logic); end TICK_TOCK; LIBRARY ieee; USE ieee.std_logic_1164.all; architecture BEHAVIOR of TICK_TOCK is begin clock_gen : process begin clk <= '1'; wait for PERIOD/2; clk <= '0'; wait for PERIOD/2; end process clock_gen; end architecture BEHAVIOR; <div align="center"><br /><script type="text/javascript"><!-- google_ad_client = "pub-7293844627074885"; //468x60, Created at 07. 11. 25 google_ad_slot = "8619794253"; google_ad_width = 468; google_ad_height = 60; //--></script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script><br /> </div>