Bolshakov, Aleksej

Priority Encoder

## Description

Module of parameterized encoder based on verilog. Synthesized to multi-input OR elements.  
  
Example of 16 to 4 priority encode:  
  

**parameter IN\_LINES=16;
parameter OUT\_LINES=$clog2(IN\_LINES); //4

wire \[(IN\_LINES-1):0\] in\_data;
wire \[(OUT\_LINES-1):0\] out\_data;

prio\_encoder #(.LINES(IN\_LINES)) pe0(.in(in\_data), .out(out\_data));**

  
  
The module is based on the this scheme  
![Principle](/usercontent/img/1441905996)


<h2 id="description">Description</h2>
Module of parameterized encoder based on verilog. Synthesized to multi-input OR elements. 

Example of 16 to 4 priority encode: 

<pre>
parameter IN_LINES=16;
parameter OUT_LINES=$clog2(IN_LINES); //4

wire [(IN_LINES-1):0] in_data;
wire [(OUT_LINES-1):0] out_data;

prio_encoder #(.LINES(IN_LINES)) pe0(.in(in_data), .out(out_data));</pre>


 
The module is based on the this scheme 
<img src="/usercontent/img/1441905996" alt="Principle" />

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Priority Encoder

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