3 // USRP - Universal Software Radio Peripheral
5 // Copyright (C) 2003 Matt Ettus
7 // This program is free software; you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 2 of the License, or
10 // (at your option) any later version.
12 // This program is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA
25 cic_decim #(.bitwidth(16),.stages(4))
26 decim(clock,reset,enable,strobe_in,strobe_out,signal_in,signal_out);
33 wire [15:0] signal_out;
35 assign strobe_in = 1'b1;
38 always @(posedge clock)
54 always #50 clock = ~clock;
57 initial #1000 reset = 0;
60 initial #2000 enable = 1;
62 initial signal_in = 16'h1;
63 initial #500000 signal_in = 16'h7fff;
64 initial #1000000 signal_in = 16'h8000;
65 initial #1500000 signal_in = 16'hffff;
68 initial $dumpfile("decim.vcd");
69 initial $dumpvars(0,cic_decim_tb);
71 initial #10000000 $finish;
73 endmodule // cic_decim_tb