// *************************************************************************** // *************************************************************************** // Copyright 2014(c) Analog Devices, Inc. // // All rights reserved. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // - Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // - Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in // the documentation and/or other materials provided with the // distribution. // - Neither the name of Analog Devices, Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // - The use of this software may or may not infringe the patent rights // of one or more patent holders. This license does not release you // from the requirement that you obtain separate licenses from these // patent holders to use this software. // - Use of the software either in source or binary form, must be run // on or directly connected to an Analog Devices Inc. component. // // THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, // INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A // PARTICULAR PURPOSE ARE DISCLAIMED. // // IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY // RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // *************************************************************************** // *************************************************************************** `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 // *************************************************************************** // ***************************************************************************