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[/] [openrisc/] [trunk/] [orpsocv2/] [boards/] [xilinx/] [s3adsp1800/] [rtl/] [verilog/] [xilinx_s3adsp_ddr2/] [s3adsp_ddr2_clk_dcm.v] - Rev 733
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//***************************************************************************** // DISCLAIMER OF LIABILITY // // This file contains proprietary and confidential information of // Xilinx, Inc. ("Xilinx"), that is distributed under a license // from Xilinx, and may be used, copied and/or disclosed only // pursuant to the terms of a valid license agreement with Xilinx. // // XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION // ("MATERIALS") "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER // EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING WITHOUT // LIMITATION, ANY WARRANTY WITH RESPECT TO NONINFRINGEMENT, // MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. Xilinx // does not warrant that functions included in the Materials will // meet the requirements of Licensee, or that the operation of the // Materials will be uninterrupted or error-free, or that defects // in the Materials will be corrected. Furthermore, Xilinx does // not warrant or make any representations regarding use, or the // results of the use, of the Materials in terms of correctness, // accuracy, reliability or otherwise. // // 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. // // Copyright 2005, 2006, 2007 Xilinx, Inc. // All rights reserved. // // This disclaimer and copyright notice must be retained as part // of this file at all times. //***************************************************************************** // ____ ____ // / /\/ / // /___/ \ / Vendor : Xilinx // \ \ \/ Version : 3.6.1 // \ \ Application : MIG // / / Filename : s3adsp_ddr2_clk_dcm.v // /___/ /\ Date Last Modified : $Date: 2010/11/26 18:25:41 $ // \ \ / \ Date Created : Mon May 2 2005 // \___\/\___\ // Device : Spartan-3/3A/3A-DSP // Design Name : DDR2 SDRAM // Purpose : This module has the DCM instantiation to DDR2 SDRAM controller //***************************************************************************** `timescale 1ns/100ps module s3adsp_ddr2_clk_dcm ( input input_clk, input rst, output clk, output clk90, output dcm_lock ); localparam GND = 1'b0; wire clk0dcm; wire clk90dcm; wire clk0_buf; wire clk90_buf; wire dcm1_lock; assign clk = clk0_buf; assign clk90 = clk90_buf; assign dcm_lock = dcm1_lock; DCM # ( .DLL_FREQUENCY_MODE ("LOW"), .DUTY_CYCLE_CORRECTION ("TRUE") ) DCM_INST1 ( .CLKIN (input_clk), .CLKFB (clk0_buf), .DSSEN (GND), .PSINCDEC (GND), .PSEN (GND), .PSCLK (GND), .RST (rst), .CLK0 (clk0dcm), .CLK90 (clk90dcm), .CLK180 (), .CLK270 (), .CLK2X (), .CLK2X180 (), .CLKDV (), .CLKFX (), .CLKFX180 (), .LOCKED (dcm1_lock), .PSDONE (), .STATUS () ); BUFG BUFG_CLK0 ( .O (clk0_buf), .I (clk0dcm) ); BUFG BUFG_CLK90 ( .O (clk90_buf), .I (clk90dcm) ); endmodule
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