每天进步一点点------基础实验_04_优先编码器:8位输入3位输出高位优先

 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_04_优先编码器:8位输入3位输出高位优先 
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     if(iDAT[7])            oCODE = 3'h7;
31     else if(iDAT[6])    oCODE = 3'h6;
32     else if(iDAT[5])    oCODE = 3'h5;
33     else if(iDAT[4])    oCODE = 3'h4;
34     else if(iDAT[3])    oCODE = 3'h3;
35     else if(iDAT[2])    oCODE = 3'h2;
36     else if(iDAT[1])    oCODE = 3'h1;
37     else if(iDAT[0])    oCODE = 3'h0;    
38     else                    oCODE = 3'hz;    
39 end
40 //-------------------------------------------------------------------------------
41 endmodule 

 

posted on 2013-08-08 18:11  空气微凉  阅读(646)  评论(0编辑  收藏  举报

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