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[/] [amber/] [trunk/] [hw/] [vlog/] [lib/] [generic_iobuf.v] - Rev 13
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////////////////////////////////////////////////////////////////// // // // Generic Library Tri-state IO Buffer // // // // This file is part of the Amber project // // http://www.opencores.org/project,amber // // // // Description // // When T is high, the pin, O, is tri-stated // // // // Author(s): // // - Conor Santifort, csantifort.amber@gmail.com // // // ////////////////////////////////////////////////////////////////// // // // Copyright (C) 2010 Authors and OPENCORES.ORG // // // // This source file may be used and distributed without // // restriction provided that this copyright statement is not // // removed from the file and that any derivative work contains // // the original copyright notice and the associated disclaimer. // // // // This source file is free software; you can redistribute it // // and/or modify it under the terms of the GNU Lesser General // // Public License as published by the Free Software Foundation; // // either version 2.1 of the License, or (at your option) any // // later version. // // // // This source 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. See the GNU Lesser General Public License for more // // details. // // // // You should have received a copy of the GNU Lesser General // // Public License along with this source; if not, download it // // from http://www.opencores.org/lgpl.shtml // // // ////////////////////////////////////////////////////////////////// module generic_iobuf ( output O, inout IO, input I, input T // When high, output is tri-stated ); assign O = IO; assign IO = T ? 1'bz : I; endmodule
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