library ieee; use ieee.std_logic_1164.all; --use work.all; entity CLOCK_TEST is end CLOCK_TEST; architecture TEST of CLOCK_TEST is signal CLOCK : std_logic := '0'; signal RESET, CLOCK_1S : std_logic; begin U1: entity work.CLOCK_DIV(SYNTH) port map (CLOCK, RESET, CLOCK_1S); process(CLOCK) begin CLOCK <= not CLOCK after 50 ns; end process; process begin RESET <= '1' after 5 ns, '0' after 75 ns; wait; end process; end TEST;