// 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____80.000______0.000______50.0______450.000____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; wire clkfx; DCM_SP #(.CLKDV_DIVIDE (2.000), .CLKFX_DIVIDE (5), .CLKFX_MULTIPLY (8), .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 (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[2:1] == 2'b 0 ) ); // Output buffering //----------------------------------- BUFG clkf_buf (.O (clkfb), .I (clk0)); BUFG clkout1_buf (.O (CLK_OUT1), .I (clkfx)); endmodule