pluto_hdl_adi/library/common/ad_bus_mux.v

62 lines
2.5 KiB
Verilog

// ***************************************************************************
// ***************************************************************************
// 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 responsibilities 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:
// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
//
// 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_bus_mux #(
// Channel data width
parameter DATA_WIDTH = 16) (
input select_path,
input valid_in_0,
input enable_in_0,
input [DATA_WIDTH-1:0] data_in_0,
input valid_in_1,
input enable_in_1,
input [DATA_WIDTH-1:0] data_in_1,
output valid_out,
output enable_out,
output [DATA_WIDTH-1:0] data_out);
assign valid_out = (select_path == 0) ? valid_in_0 : valid_in_1;
assign enable_out = (select_path == 0) ? enable_in_0 : enable_in_1;
assign data_out = (select_path == 0) ? data_in_0 : data_in_1;
endmodule