cp.vhd

来自「洗衣机控制器」· VHDL 代码 · 共 34 行

LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.std_logic_signed.all;

ENTITY cp is
  PORT(
        clk:IN std_logic;
        cp1:OUT std_logic;
        cp2:OUT std_logic
        );
END;

ARCHITECTURE freq of cp IS
SIGNAL count:std_logic_vector(19 downto 1);
SIGNAL c1:std_logic;
SIGNAL c2:std_logic;

BEGIN
  PROCESS(clk)                                 
   BEGIN
     IF(clk'event and clk='1')then
        IF(count="1111010000100011111")then    
          count<="0000000000000000000";
          c1<=not c1;
        ELSE count<=count+1;
        END IF;
        c2<=count(10);
     END IF;
  END PROCESS;
       cp1<=c1;cp2<=c2;
END;