clock.v

   1 // Atosm Chip
   2 // Copyright (C) 2008 Tomasz Malesinski <tmal@mimuw.edu.pl>
   3 //
   4 // This program is free software; you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation; either version 2 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with this program; if not, write to the Free Software
  16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17
  18 module clkgen(clk_o, clk2_o);
  19    output clk_o;
  20    output clk2_o;
  21
  22    reg    clk_o;
  23    reg    clk2_o;
  24
  25    initial begin
  26       clk_o = 0;
  27       clk2_o = 0;
  28    end
  29
  30    always begin
  31       #5 clk2_o = ~clk2_o;
  32       #5 clk2_o = ~clk2_o;
  33       clk_o = ~clk_o;
  34    end
  35 endmodule