reg8b.vhd

来自「基于FPGA的直接数字频率合成器（DDS）设计 （源程序）」· VHDL 代码 · 共 18 行

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity reg8b is
port(load:  in std_logic;
din:in std_logic_vector(7 downto 0);
dout:out std_logic_vector(7 downto 0));
end reg8b;
architecture behav of reg8b is
begin 
process(load,din)
begin
if load'event and load='1' then dout<=din;
end if;
end process;
end behav;