library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
entity Musica is
Port ( clk : in STD_LOGIC;
a : in STD_LOGIC;
altavoz : inout STD_LOGIC);
end Musica;
architecture musica_arch of Musica is
signal cont : std_logic_vector (16 downto 0);
constant cont_max: std_logic_vector :="11011101111100100"; -- frecuencia de LA
begin
process (clk)
begin
if clk'event and clk= '1' then
cont <= cont+1;
if cont= cont_max then
cont <="00000000000000000";
end if;
end if;
end process;
process (altavoz)
begin
if a= '1' then
altavoz <= cont (16);
else
altavoz <= '0';
end if;
end process;
end musica_arch;
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