snake-vhdl/sources_snake/Diviseur.vhd
2021-12-15 18:35:38 +00:00

63 lines
1.4 KiB
VHDL

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-- Company:
-- Engineer:
--
-- Create Date: 23.11.2021 11:56:55
-- Design Name:
-- Module Name: Diviseur - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx leaf cells in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity Diviseur is
generic (nbBits : integer:=8);
Port ( clk_in : in STD_LOGIC;
reset : in STD_LOGIC;
max : in unsigned (nbBits-1 downto 0);
clk_out : out STD_LOGIC);
end Diviseur;
architecture Behavioral of Diviseur is
signal temp : unsigned (nbBits-1 downto 0);
begin
process(clk_in,reset)
begin
if reset='0' then
temp<=(others=>'0');
elsif (clk_in'event and clk_in='1') then
temp <= temp+1;
if temp=max then
clk_out <= '1';
temp <= (others => '0');
else
clk_out <= '0';
end if;
end if;
end process;
end Behavioral;