// *************************************************************************** // *************************************************************************** // Copyright 2014 - 2017 (c) Analog Devices, Inc. All rights reserved. // // In this HDL repository, there are many different and unique modules, consisting // of various HDL (Verilog or VHDL) components. The individual modules are // developed independently, and may be accompanied by separate and unique license // terms. // // The user should read each of these license terms, and understand the // freedoms and responsabilities that he or she has by using this source/core. // // This core 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. // // Redistribution and use of source or resulting binaries, with or without modification // of this file, are permitted under one of the following two license terms: // // 1. The GNU General Public License version 2 as published by the // Free Software Foundation, which can be found in the top level directory // of this repository (LICENSE_GPL2), and also online at: // // // OR // // 2. An ADI specific BSD license, which can be found in the top level directory // of this repository (LICENSE_ADIBSD), and also on-line at: // https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD // This will allow to generate bit files and not release the source code, // as long as it attaches to an ADI device. // // *************************************************************************** // *************************************************************************** `timescale 1ns/100ps module ad_cmos_clk #( parameter DEVICE_TYPE = 0) ( input rst, output locked, input clk_in, output clk); localparam SERIES7 = 0; localparam VIRTEX6 = 1; // wires wire clk_ibuf_s; // defaults assign locked = 1'b1; // instantiations IBUFG i_rx_clk_ibuf ( .I (clk_in), .O (clk_ibuf_s)); generate if (DEVICE_TYPE == VIRTEX6) begin BUFR #(.BUFR_DIVIDE("BYPASS")) i_clk_rbuf ( .CLR (1'b0), .CE (1'b1), .I (clk_ibuf_s), .O (clk)); end else begin BUFG i_clk_gbuf ( .I (clk_ibuf_s), .O (clk)); end endgenerate endmodule // *************************************************************************** // ***************************************************************************