top_core_sign.v

插值滤波器,用于音频解码调制解调,滤波器系数用移位相加实现

`timescale 1ns/10ps
module top_core_sign(data_out,clock,reset,control);

output [18:1] data_out;
output reset,clock;
output [4:1] control;

reg [18:1] data_out;
reg reset,clock;
reg [4:1] control;

initial
  begin
    reset=0;
    data_out=0;
    clock=1;
    control=0;
    #10000 reset=1;
        control=4'b1111;
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