Monday, 15 July 2013

Design of Binary to Excess3 Code Converter using with-select Concurrent Statement (VHDL Code).

Design of Binary to Excess3 Code Converter using with-select statement (Data Flow Modeling Style)-

Output Waveform : Binary To Excess3 Code Converter

VHDL Code-

-- Title       : Binary_to_Excess3
-- Design      : vhdl_test
-- Author      : Naresh Singh Dobal
-- Company     : nsd
-- File        : Binary to Excess3 using with-select.vhd

library IEEE;
use IEEE.STD_LOGIC_1164.all;

entity Binary_to_Excess3 is
         din : in STD_LOGIC_VECTOR(3 downto 0);
         dout : out STD_LOGIC_VECTOR(3 downto 0)
end Binary_to_Excess3;

architecture Binary_to_excess3_arc of Binary_to_Excess3 is

    with din select
    dout <= "0011" when "0000",
            "0100" when "0001",
            "0101" when "0010",
            "0110" when "0011",
            "0111" when "0100",
            "1000" when "0101",
            "1001" when "0110",
            "1010" when "0111",
            "1011" when "1000",
            "1100" when "1001",
            "ZZZZ" when others;

end Binary_to_excess3_arc;


Harsh Kumar said...

this method is which type of modelling in VHDL

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Anonymous said...

@harsh_kumar The modelling followed by the above programme is dataflow.

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