source: firmware/FAD/FACT_FAD_TB_lib/hdl/timer_tester_beha.vhd@ 18342

--
-- VHDL Architecture FACT_FAD_TB_lib.timer_tester.beha
--
-- Created:
--          by - dneise.UNKNOWN (E5B-LABOR6)
--          at - 15:31:09 22.02.2011
--
-- using Mentor Graphics HDL Designer(TM) 2009.2 (Build 10)
--
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.std_logic_arith.ALL;
USE ieee.std_logic_unsigned.all;

ENTITY timer_tester IS
   PORT( 
      synched_o : IN     std_logic;
      time_o    : IN     std_logic_vector ( 31 DOWNTO 0);
      enable_i  : OUT    std_logic;
          reset_synch_i : OUT    std_logic;
          clk : OUT    std_logic;
      synch_i   : OUT    std_logic
   );

-- Declarations

END timer_tester ;

--
ARCHITECTURE beha OF timer_tester IS
        constant clock_period : time := 20 ns;
BEGIN
        clock_gen_proc: process
        begin
                clk <= '0';
                wait for clock_period / 2;
                clk <= '1';
                wait for clock_period / 2;
        end process clock_gen_proc;

        process begin
                enable_i <= '0';
                synch_i <= '0';
                reset_synch_i <= '0';
                wait for 105 ns;
                enable_i <= '1';
                wait for 950 us;
                wait for 7 ns;
                synch_i <='1';
                wait for 20 ns;
                synch_i <= '0';
                wait for 1 ms;
                wait for 7 ns;
                synch_i <='1';
                wait for 20 ns;
                synch_i <= '0';
                wait for 1 ms;
                reset_synch_i <= '1';
                wait for 20 ns;
                reset_synch_i <= '0';
                wait for 1 ms;
                synch_i <='1';
                wait for 20 ns;
                synch_i <= '0';
                wait for 1 ms;
                enable_i <= '0';
                wait;
        end process;
        
END ARCHITECTURE beha;