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johnson ring counter verilog code

Sid Skywalker answered on October 19, 2022 Popularity 3/10 Helpfulness 8/10

answer johnson ring counter verilog code

related johnson ring counter verilog code

johnson ring counter verilog code

Comment

ncsim> run
T=0 out=xxxx
T=10 out=0001
T=50 out=0000
T=70 out=1000
T=90 out=1100
T=110 out=1110
T=130 out=1111
T=150 out=0111
T=170 out=0011
T=190 out=0001
T=210 out=0000
T=230 out=1000
T=250 out=1100
T=270 out=1110
T=290 out=1111
T=310 out=0111
Simulation complete via $finish(1) at time 330 NS + 0

Popularity 3/10 Helpfulness 8/10 Language whatever

Source: www.chipverify.com

Tags: counter ring whatever

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Contributed on Oct 19 2022

Sid Skywalker

0 Answers Avg Quality 2/10

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johnson ring counter verilog code

Comment

module johnson_ctr #(parameter WIDTH=4)
  (
	input clk,
	input rstn,
  	output reg [WIDTH-1:0] out
  );

  always @ (posedge clk) begin
      if (!rstn)
         out <= 1;
      else begin
        out[WIDTH-1] <= ~out[0];
        for (int i = 0; i < WIDTH-1; i=i+1) begin
          out[i] <= out[i+1];
        end
      end
  end
endmodule

Popularity 3/10 Helpfulness 9/10 Language whatever

Source: www.chipverify.com

Tags: ring whatever counter

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Contributed on Oct 19 2022

Sid Skywalker

0 Answers Avg Quality 2/10

johnson ring counter verilog code

Comment

module tb;
  parameter WIDTH = 4;

  reg clk;
  reg rstn;
  wire [WIDTH-1:0] out;

  johnson_ctr 	u0 (.clk (clk),
                .rstn (rstn),
                .out (out));

  always #10 clk = ~clk;

  initial begin
    {clk, rstn} <= 0;

    $monitor ("T=%0t out=%b", $time, out);
    repeat (2) @(posedge clk);
    rstn <= 1;
    repeat (15) @(posedge clk);
    $finish;
  end
endmodule

Popularity 3/10 Helpfulness 7/10 Language whatever

Source: www.chipverify.com

Tags: whatever ring counter

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Contributed on Oct 19 2022

Sid Skywalker

0 Answers Avg Quality 2/10

johnson ring counter verilog code

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johnson ring counter verilog code

johnson ring counter verilog code

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