Subversion Repositories gpio

//////////////////////////////////////////////////////////////////////

////                                                              ////

////  Clock and Reset Generator                                   ////

////                                                              ////

////  This file is part of the GPIO project                       ////

////  http://www.opencores.org/cores/gpio/                        ////

////                                                              ////

////  Description                                                 ////

////  Clock and reset generator.                                  ////

////                                                              ////

////  To Do:                                                      ////

////   Nothing                                                    ////

////                                                              ////

////  Author(s):                                                  ////

////      - Damjan Lampret, lampret@opencores.org                 ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

////                                                              ////

//// Copyright (C) 2000 Authors and OPENCORES.ORG                 ////

////                                                              ////

//// This source file may be used and distributed without         ////

//// restriction provided that this copyright statement is not    ////

//// removed from the file and that any derivative work contains  ////

//// the original copyright notice and the associated disclaimer. ////

////                                                              ////

//// This source file is free software; you can redistribute it   ////

//// and/or modify it under the terms of the GNU Lesser General   ////

//// Public License as published by the Free Software Foundation; ////

//// either version 2.1 of the License, or (at your option) any   ////

//// later version.                                               ////

////                                                              ////

//// This source is distributed in the hope that it will be       ////

//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////

//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////

//// PURPOSE.  See the GNU Lesser General Public License for more ////

//// details.                                                     ////

////                                                              ////

//// You should have received a copy of the GNU Lesser General    ////

//// Public License along with this source; if not, download it   ////

//// from http://www.opencores.org/lgpl.shtml                     ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

//

// CVS Revision History

//

// $Log: not supported by cvs2svn $

// Revision 1.1  2001/06/05 07:45:21  lampret

// Added initial RTL and test benches. There are still some issues with these files.

//

//

`include "timescale.v"

module clkrst(clk_o, rst_o);

//

// I/O ports

//

output  clk_o;  // Clock

output  rst_o;  // Reset

//

// Internal regs

//

reg     clk_o;  // Clock

reg     rst_o;  // Reset

initial begin

        clk_o = 0;

        rst_o = 1;

        #20;

        rst_o = 0;

end

//

// Clock

//

always #4 clk_o = ~clk_o;

endmodule