每天进步一点点------基础实验_03_编码器 ：8位输入3位输出编码器 

 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    : 
18 ********************************************************************************/
19 `timescale 1ns/1ps
20 `define    UD  #1
21 /*******************************************************************************/
22 module ENCODE_8_3    
23 ( 
24     //Interface package
25     input                        [7:0]        iDAT        ,//
26     output  reg             [2:0]        oCODE         //
27 );  
28 //-------------------------------------------------------------------------------
29 always@(*)begin
30     case(iDAT)
31         8'h1      : oCODE = 3'h0;  
32         8'h2      : oCODE = 3'h1;  
33         8'h3      : oCODE = 3'h2;  
34         8'h4      : oCODE = 3'h3;  
35         8'h5      : oCODE = 3'h4;  
36         8'h6      : oCODE = 3'h5;  
37         8'h7      : oCODE = 3'h6;  
38         8'h8      : oCODE = 3'h7;  
39         default : oCODE = 3'hz;  
40     endcase 
41 end
42 //-------------------------------------------------------------------------------
43 endmodule

 

posted on 2013-08-08 18:05  空气微凉  阅读(464)  评论(0)  编辑  收藏  举报

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