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half_adder.vhd
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half_adder.vhd
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----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 19:27:11 08/21/2020
-- Design Name:
-- Module Name: half_adder - structure
-- Project Name:
-- Target Devices:
-- Tool versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
--use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity half_adder is
Port ( in1 : in STD_LOGIC;
in2 : in STD_LOGIC;
out1 : out STD_LOGIC;
out2 : out STD_LOGIC);
end half_adder;
architecture structure of half_adder is
component xor_gate is
Port(
A, B: in std_logic;
C : out std_logic
);
End component xor_gate;
component and_gate is
Port(
A, B: in std_logic;
C : out std_logic
);
End component and_gate;
begin
xor_gate_instance0: xor_gate port map ( A => in1, B => in2, C=>out1 );
and_gate_instance0: and_gate port map ( A => in1, B => in2, C=>out2 );
end structure;