Design of 8 to 3 Priority Encoder using When Else statements -Method 1 (VHDL Code)

Design of 8 to 3 Priority Encoder using When-Else Statement - Method 1 

Output Waveform 1 :  8 to 3 Priority Encoder

Output Waveform :   8 to 3 Priority Encoder

VHDL Code-



-------------------------------------------------------------------------------
--
-- Title       : priority_encoder_8_3
-- Design      : vhdl_upload2
-- Author      : Naresh Singh Dobal
-- Company     : nsdobal@gmail.com
-- Verilog HDL Programs &  Exercise with Naresh Singh Dobal.
--
-------------------------------------------------------------------------------
--
-- File        : Design of 8 to 3 Priority Encoder using when else.vhd

   

library IEEE;
use IEEE.STD_LOGIC_1164.all;  
use ieee.numeric_std.all;

entity priority_encoder_8_3 is
     port(
         din : in STD_LOGIC_VECTOR(7 downto 0);
         dout : out STD_LOGIC_VECTOR(2 downto 0)
         );
end priority_encoder_8_3;


architecture priority_enc_arc of priority_encoder_8_3 is
begin
   
dout <= "000" when din(7)='1' else
        "001" when din(6)='1'else
        "010" when din(5)='1' else
        "011" when din(4)='1' else
        "100" when din(3)='1' else
        "101" when din(2)='1' else
        "110" when din(1)='1' else
        "111" when din(0)='1';
   

end priority_enc_arc;