1 /********************************************************************************* 2 * Company : 3 * Engineer : 空气微凉 4 * 5 * Create Date : 00:00:00 22/03/2013 6 * Design Name : 7 * Module Name : 8 * Project Name : 9 * Target Devices : 10 * Tool versions : 11 * Description : 12 * http://www.cnblogs.com/kongqiweiliang/ 13 * Dependencies : 14 * 15 * Revision : 16 * Revision : 0.01 - File Created 17 * Additional Comments : 基础实验_02_多路解复用器 ：4通道8位带三态输出 18 ********************************************************************************/ 19 `timescale 1ns/1ps 20 `define UD #1 21 /*******************************************************************************/ 22 module DEMUX_4_8 23 ( 24 //Interface package 25 input [1:0] iDAT_SEL ,// 26 output [7:0] oDAT_0 ,// 27 output [7:0] oDAT_1 ,// 28 output [7:0] oDAT_2 ,// 29 output [7:0] oDAT_3 ,// 30 input [7:0] iDAT // 31 32 ); 33 //------------------------------------------------------------------------------- 34 assign oDAT_0 = (iDAT_SEL == 2'b00) ? iDAT : 8'hz; 35 assign oDAT_1 = (iDAT_SEL == 2'b01) ? iDAT : 8'hz; 36 assign oDAT_2 = (iDAT_SEL == 2'b10) ? iDAT : 8'hz; 37 assign oDAT_3 = (iDAT_SEL == 2'b11) ? iDAT : 8'hz; 38 //------------------------------------------------------------------------------- 39 endmodule