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_05_译码器 ：3位输入8位输出译码器 18 ********************************************************************************/ 19 `timescale 1ns/1ps 20 `define UD #1 21 /*******************************************************************************/ 22 module DECODE_3_8 23 ( 24 //Interface package 25 input [2:0] iDAT ,// 26 output reg [7:0] oCODE // 27 ); 28 //------------------------------------------------------------------------------- 29 always@(*)begin 30 case(iDAT) 31 3'b000 : oCODE = 8'b0000_0001; 32 3'b001 : oCODE = 8'b0000_0010; 33 3'b010 : oCODE = 8'b0000_0100; 34 3'b011 : oCODE = 8'b0000_1000; 35 3'b100 : oCODE = 8'b0001_0000; 36 3'b101 : oCODE = 8'b0010_0000; 37 3'b110 : oCODE = 8'b0100_0000; 38 3'b111 : oCODE = 8'b1000_0000; 39 default : oCODE = 8'bz; 40 endcase 41 end 42 //------------------------------------------------------------------------------- 43 endmodule