mux_tb.vhd - TA147 - Ejecicios y trabajos prácticos de la materia Taller de Sistemas Digitales (TA147)

vhdl/dev/mux/mux_tb.vhd (809B)

Line numbers

   1 library ieee;
   2 use ieee.std_logic_1164.all;
   3 use ieee.numeric_std.all;
   4 
   5 entity mux_tb is
   6 end entity;
   7 
   8 architecture mux_arq of mux_tb is
   9 
  10     signal sig_a : unsigned(7 downto 0) := x"AA";
  11     signal sig_b : unsigned(7 downto 0) := x"BB";
  12     signal sig_c : unsigned(7 downto 0) := x"CC";
  13     signal sig_d : unsigned(7 downto 0) := x"DD";
  14 
  15     signal sig_sel : unsigned(1 downto 0) := (others => '1');
  16     signal sig_out : unsigned(7 downto 0);
  17 
  18 begin
  19 
  20     -- instance of `mux` module
  21     mux_a : entity work.mux(mux_arq) port map(
  22         sig_sel => sig_sel,
  23         sig_a   => sig_a,
  24         sig_b   => sig_b,
  25         sig_c   => sig_c,
  26         sig_d   => sig_d,
  27         sig_out => sig_out);
  28 
  29     process is 
  30     begin
  31         sig_sel <= sig_sel + 1;
  32         wait for 100 us;
  33     end process;
  34 
  35 end architecture;