ffcsr_test.v

伪随机序列产生器－filtered 代进位反馈移位寄存器

`timescale  1ns/1ns


module ffcsr_test;

parameter N=3;
parameter T=512;


wire     [N:0]    mstate;
wire     [N-1:0]  cstate;
reg      [N-1:0]  mkey;
reg      [N-2:0]  ckey;
reg      [N-1:0]    d;
wire     [T-1:0]  mseq;
reg      clk;
reg      reset;
//reg      load;
//reg      receive;


initial
  begin
      clk=0;
      //d=3'b111;
      mkey=3'b1;
      ckey=2'b0;
      reset=1;
 #100 reset=0;
 /*     load=0;
 #60  load=1;
 #20  load=0;
      receive=0;
 #40  receive=1;
 #20  receive=0;
 */
  end
 
always #10clk= ~clk;


ffcsr f1 (.clk(clk), .mkey(mkey), .ckey(ckey), .reset(reset), 
          .mstate(mstate), .cstate(cstate), .mseq(mseq));

   
endmodule