tb_stack.vhd

Dieses Verzeichnis enthaelt die VHDL-Quelltexte zur Beschreibung eines "Stack-Speichers"

-- VHDL Test Bench Created from SGE Symbol stack_test.sym.sym -- Nov 13 11:02:49 1996

library IEEE;
   use IEEE.std_logic_1164.all;
   use IEEE.std_logic_misc.all;
   use IEEE.std_logic_arith.all;
   use IEEE.std_logic_components.all;

entity E is
end E;

Architecture A of E is

   signal      CLK : std_logic := '0';
   signal      DIN : std_logic_vector (1 to 12);
   signal      DIR : std_logic;
   signal  RESET_N : std_logic;
   signal     DOUT : std_logic_vector (1 to 12);

   component STACK_TEST
      Port (     CLK : In    std_logic;
                 DIN : In    std_logic_vector (1 to 12);
                 DIR : In    std_logic;
             RESET_N : In    std_logic;
                DOUT : Out   std_logic_vector (1 to 12) );
   end component;

begin
   UUT : STACK_TEST
      Port Map ( CLK, DIN, DIR, RESET_N, DOUT );

-- *** Test Bench - User Defined Section ***
   TB : block
   begin

CLK <= not(CLK) after 100 ns;

D_STIMULI:process
begin

  RESET_N <= '0';
  wait for 50 ns;

  RESET_N <= '1';
  DIR<='1';
  DIN<="000000000000";
  wait for 200 ns;
  DIN<="000000000001" after 10 ns;
  wait for 200 ns;

  DIN<="000000000010" after 10 ns;
  wait for 200 ns;

  DIN<="000000000011" after 10 ns;
  wait for 200 ns;

  DIN<="000000000100" after 10 ns;
  wait for 200 ns;

  DIN<="000000000101" after 10 ns;
  wait for 200 ns;

  DIN<="000000000110" after 10 ns;
  wait for 200 ns;

  DIN<="000000000111" after 10 ns;
  wait for 200 ns;

  DIN<="000000001000" after 10 ns;
  wait for 200 ns;

  DIR<='0';
  wait for 600 ns;

  RESET_N <= '0';
  wait ;
 
end process;

   end block;
-- *** End Test Bench - User Defined Section ***

end A;

configuration CFG_TB_STACK_TEST_BEHAVIORAL of E is
   for A
      for UUT : STACK_TEST
         use configuration WORK.CFG_STACK_TEST_SCHEMATIC;
      end for;

-- *** User Defined Configuration ***
      for TB
      end for;
-- *** End User Defined Configuration ***

   end for;
end CFG_TB_STACK_TEST_BEHAVIORAL;