reg2.vhd

基于DD的数字移相正弦信号发生器设计 EDA技术在全国大学生设计竞赛中的应用

--REG2.VHD
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY REG2 IS
  PORT(D: IN STD_LOGIC_VECTOR(8 DOWNTO 0);
       CLK: IN STD_LOGIC;
       Q: OUT STD_LOGIC_VECTOR(8 DOWNTO 0));
END ENTITY REG2;
ARCHITECTURE ART OF REG2 IS
  BEGIN
  PROCESS(CLK) IS
    BEGIN
    IF(CLK'EVENT AND CLK='1')THEN
      Q<=D;
    END IF;
   END PROCESS;
END ARCHITECTURE ART;