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//-----------------------------------------------------
// Design Name : lfsr
// File Name : lfsr.v
// Function : Linear feedback shift register
// Coder : Deepak Kumar Tala
//-----------------------------------------------------
module lfsr (
out , // Output of the counter
enable , // Enable for counter
clk , // clock input
reset // reset input
);
//----------Output Ports--------------
output [7:0] out;
//------------Input Ports--------------
input enable, clk, reset;
//------------Internal Variables--------
reg [7:0] out;
wire linear_feedback;
//-------------Code Starts Here-------
assign linear_feedback = !(out[7] ^ out[3]);
always @(posedge clk)
if (reset) begin // active high reset
out <= 8'b0 ;
end else if (enable) begin
out <= {out[6],out[5],
out[4],out[3],
out[2],out[1],
out[0], linear_feedback};
end
endmodule // End Of Module counter
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