Gray to Binary Conversion VHDL Source Code

By RF Wireless Expert Team

Last Updated: August 25, 2026

This page provides VHDL source code for Gray to Binary conversion.

VHDL Code

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

entity gray2binary is
    Port ( g : in STD_LOGIC_VECTOR (3 downto 0);
           b : out STD_LOGIC_VECTOR (3 downto 0));
end gray2binary;

architecture Behavioral of gray2binary is
begin
    b(3)<= g(3);
    b(2)<= g(3) xor g(2);
    b(1)<= g(3) xor g(2) xor g(1);
    b(0)<= g(3) xor g(2) xor g(1) xor g(0);
end behavioral;

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Gray to Binary Conversion VHDL Source Code

VHDL Code

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