full_function.vhd

非整数分频器 分频系数为无限不循环小数 vhdl

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_signed.all;

entity full_function is
  port( na_clk : in std_logic;
        na_y : out std_logic;
        na_output : out std_logic);
end;

architecture main of full_function is 
 component fenpinqi89
    port(clk: in std_logic;
         control:in std_logic;
         output: out std_logic;
         count_ctrl: out std_logic);
 end component;

 component controller
    port(clk:in std_logic;
         count_ctrl: in std_logic;
         control_signal:out std_logic);
 end component;

 component leijiaqi
    port(clk:in std_logic;
         y:out std_logic);
 end component;

signal temp1,temp2:std_logic;
begin 
 a1:fenpinqi89 port map(na_clk,temp1,na_output,temp2);
 a2:controller port map(na_clk,temp2,temp1);
 a3:leijiaqi   port map(na_clk,na_y);

end main;