decoderbcd_dot.vhd

来自「many application on kit SP-3: VGA, digit」· VHDL 代码 · 共 29 行

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;

entity decoderbcddot is
    Port ( I : in  STD_LOGIC_VECTOR (3 downto 0);
           segs : out  STD_LOGIC_VECTOR (7 downto 0));
end decoderbcddot;

architecture Behavioral of decoderbcddot is
begin
	with I select
		Segs <=   "01000000"	WHEN "0000"  ,
					 "01111001"	WHEN "0001"  ,
					 "00100100"	WHEN "0010"  ,
					 "00110000"	WHEN "0011"  ,
					 "00011001"	WHEN "0100"  ,
					 "00010010"	WHEN "0101"  ,
					 "00000010"	WHEN "0110"  ,
					 "01111000"	WHEN "0111"  ,
					 "00000000"	WHEN "1000"  ,
					 "00010000"	WHEN "1001"  ,
					 "01000000"	WHEN OTHERS  ;
end Behavioral;