tiny-xo2-uart-loader/synchronizer.vhd

32 lines
680 B
VHDL

library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
entity synchronizer is
generic(COUNT : integer := 1);
port(
clk : in std_logic;
rst : in std_logic;
dIn : in std_logic_vector(COUNT - 1 downto 0);
dOut : out std_logic_vector(COUNT - 1 downto 0)
);
end entity synchronizer;
architecture RTL of synchronizer is
signal temp : std_logic_vector(COUNT - 1 downto 0);
begin
synch : process(rst, clk) is
begin
for i in 0 to COUNT - 1 loop
if rst = '1' then
temp(i) <= '0';
dOut(i) <= '0';
elsif rising_edge(clk) then
temp(i) <= dIn(i);
dOut(i) <= temp(i);
end if;
end loop;
end process synch;
end architecture RTL;