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// file: clkmgr_dcm.v
//
// (c) Copyright 2008 - 2011 Xilinx, Inc. All rights reserved.
//
// This file contains confidential and proprietary information
// of Xilinx, Inc. and is protected under U.S. and
// international copyright and other intellectual property
// laws.
//
// DISCLAIMER
// This disclaimer is not a license and does not grant any
// rights to the materials distributed herewith. Except as
// otherwise provided in a valid license issued to you by
// Xilinx, and to the maximum extent permitted by applicable
// law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND
// WITH ALL FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES
// AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING
// BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, NON-
// INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and
// (2) Xilinx shall not be liable (whether in contract or tort,
// including negligence, or under any other theory of
// liability) for any loss or damage of any kind or nature
// related to, arising under or in connection with these
// materials, including for any direct, or any indirect,
// special, incidental, or consequential loss or damage
// (including loss of data, profits, goodwill, or any type of
// loss or damage suffered as a result of any action brought
// by a third party) even if such damage or loss was
// reasonably foreseeable or Xilinx had been advised of the
// possibility of the same.
//
// CRITICAL APPLICATIONS
// Xilinx products are not designed or intended to be fail-
// safe, or for use in any application requiring fail-safe
// performance, such as life-support or safety devices or
// systems, Class III medical devices, nuclear facilities,
// applications related to the deployment of airbags, or any
// other applications that could lead to death, personal
// injury, or severe property or environmental damage
// (individually and collectively, "Critical
// Applications"). Customer assumes the sole risk and
// liability of any use of Xilinx products in Critical
// Applications, subject only to applicable laws and
// regulations governing limitations on product liability.
//
// THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS
// PART OF THIS FILE AT ALL TIMES.
//
//----------------------------------------------------------------------------
// User entered comments
//----------------------------------------------------------------------------
// None
//
//----------------------------------------------------------------------------
// "Output Output Phase Duty Pk-to-Pk Phase"
// "Clock Freq (MHz) (degrees) Cycle (%) Jitter (ps) Error (ps)"
//----------------------------------------------------------------------------
// CLK_OUT1____50.000______0.000______50.0______200.000____150.000
//
//----------------------------------------------------------------------------
// "Input Clock Freq (MHz) Input Jitter (UI)"
//----------------------------------------------------------------------------
// __primary______________50____________0.010
`timescale 1ps/1ps
(* CORE_GENERATION_INFO = "clkmgr_dcm,clk_wiz_v3_6,{component_name=clkmgr_dcm,use_phase_alignment=true,use_min_o_jitter=false,use_max_i_jitter=false,use_dyn_phase_shift=false,use_inclk_switchover=false,use_dyn_reconfig=false,feedback_source=FDBK_AUTO,primtype_sel=DCM_SP,num_out_clk=1,clkin1_period=20.0,clkin2_period=20.0,use_power_down=false,use_reset=true,use_locked=false,use_inclk_stopped=true,use_status=false,use_freeze=false,use_clk_valid=true,feedback_type=SINGLE,clock_mgr_type=MANUAL,manual_override=false}" *)
module clkmgr_dcm
(// Clock in ports
input CLK_IN1,
// Clock out ports
output CLK_OUT1,
// Status and control signals
input RESET,
output INPUT_CLK_STOPPED,
output CLK_VALID
);
// Input buffering
//------------------------------------
assign clkin1 = CLK_IN1;
// Clocking primitive
//------------------------------------
// Instantiation of the DCM primitive
// * Unused inputs are tied off
// * Unused outputs are labeled unused
wire psdone_unused;
wire locked_int;
wire [7:0] status_int;
wire clkfb;
wire clk0;
DCM_SP
#(.CLKDV_DIVIDE (2.000),
.CLKFX_DIVIDE (1),
.CLKFX_MULTIPLY (4),
.CLKIN_DIVIDE_BY_2 ("FALSE"),
.CLKIN_PERIOD (20.0),
.CLKOUT_PHASE_SHIFT ("NONE"),
.CLK_FEEDBACK ("1X"),
.DESKEW_ADJUST ("SYSTEM_SYNCHRONOUS"),
.PHASE_SHIFT (0),
.STARTUP_WAIT ("FALSE"))
dcm_sp_inst
// Input clock
(.CLKIN (clkin1),
.CLKFB (clkfb),
// Output clocks
.CLK0 (clk0),
.CLK90 (),
.CLK180 (),
.CLK270 (),
.CLK2X (),
.CLK2X180 (),
.CLKFX (),
.CLKFX180 (),
.CLKDV (),
// Ports for dynamic phase shift
.PSCLK (1'b0),
.PSEN (1'b0),
.PSINCDEC (1'b0),
.PSDONE (),
// Other control and status signals
.LOCKED (locked_int),
.STATUS (status_int),
.RST (RESET),
// Unused pin- tie low
.DSSEN (1'b0));
assign INPUT_CLK_STOPPED = status_int[1];
assign CLK_VALID = ( ( locked_int == 1'b 1 ) && ( status_int[1] == 1'b 0 ) );
// Output buffering
//-----------------------------------
assign clkfb = CLK_OUT1;
BUFG clkout1_buf
(.O (CLK_OUT1),
.I (clk0));
endmodule
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