8 To 1 Multiplexer Verilog

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This tutorial is the simulation only & extension to my detailed video on 8:1 Mux.

  1. 8 To 1 Multiplexer Verilog Tutorial

Ytd video downloader 3.9.6 serial key free download. In this tutorial, I have designed a 8:1 MUX using dataflow, behavioral & structural modeling to verify its functionality using Xilinx ISE software. Mac os x lion dmg google drive. As a part of VTU syllabus, This tutorial will. Verilog Code For 8 To 1 Multiplexer Using Dataflow Modelling I can only guess how on earth have you ended up with ’character in your code as it is not that easy to type in (i.e. On Mac you have to hold Shift+Option+). At any rate, that character is a Unicode 0xE28099and is not a legal Verilog code.

  • This tutorial is the simulation only & extension to my detailed video on 8:1 Mux.
  • 8 to 1 Multiplexer HDL Verilog Code. This page of verilog sourcecode covers HDL code for 8 to 1 Multiplexer using verilog. Following is the symbol and truth table of 8 to 1 Multiplexer.
  1. Introduction


    An 8-to-1 multiplexer is a digital device that selects one of the eight inputs lines to the output line by using three-bit selection line. The block diagram of 8-to-1 Mux is shown in Figure 1. A 2n-to-1 multiplexer needs n bit selection line to select one of the 2n inputs to the output.
    Figure 1. Block diagram of 8-to-1 multiplexer

  2. Truth Table


    Figure 2 shows the truth table of the 8-to-1 multiplexer. I1 to I8 are the input lines, S1 - S3 are the selection lines and O is the output line.
    Figure 2. Truth table of 8-to-1 multiplexer

  3. Verilog Module

    Figure 3 shows the Verilog module of the 8-to-1 multiplexer. The 8-bit ports In1 to In8 are input lines of the multiplexer. The Sel port is the 3-bit selection line which is required to select between the eight input lines. 8-bit port Out is the output line of the multiplexer.
    Figure 3. Verilog module of 8-to-1 multiplexer

  4. Verilog Code for the 8-to-1 Multiplexer (mux8to1.v)



    Figure 4. Verilog Code for 8-to-1 multiplexer

  5. Verilog Test Bench for 8-to-1 Multiplexer (mux8to1_tb.v)



    Figure 5. Verilog Test-Bench for 8-to-1 multiplexer

  6. Timing Diagram

    Figure 6. Timing diagram of 8-to-1 multiplexer

8 to 1 Multiplexer HDL Verilog Code

This page of verilog sourcecode covers HDL code for 8 to 1 Multiplexer using verilog.

Symbol

Following is the symbol and truth table of 8 to 1 Multiplexer.


Truth Table

Verilog code


module mux8_1
input [7:0]I;
output [2:0]S;
output y;
input en;
reg y;
always @(en,S,I,y);
begin
if (en= =1)
begin
if (s= =000 y=I[0];
else if (s001) y=I[1];
else if (s001) y=I[2];
else if (s001) y=I[3];
else if (s001) y=I[4];
else if (s001) y=I[5];
else if (s001) y=I[6];
else if (s001) y=I[7];
end
else y=0;
end
end
end module

Simulation result

Verilog

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