idwt2_ram.v

来自「it is used to find traffic」· Verilog 代码 · 共 45 行

//
// Verilog Module dwt_final_lib.idw2_ram.arch_name
//
// Created:
//          by - VLSI4.UNKNOWN (VLSI04)
//          at - 11:34:12 05/03/2008
//
// using Mentor Graphics HDL Designer(TM) 2004.1b (Build 12)
//
`resetall
`timescale 1ns/10ps
module idwt2_ram(clk,reset,in,out,addr,r_w_en,enable);
    
    input clk,reset,enable;
    input [7:0] in;
    input [12:0] addr;
    input r_w_en;
    output [7:0] out;
    
    reg [7:0] out;
    
    reg [7:0] mem [4095:0];
      
    always@(posedge clk or negedge reset)
    begin
      if(!reset)
      begin
        out<=8'b0;
      end
      else
      begin
        if(enable==1'b1)
        begin
        if(r_w_en==1'b0)    //read at active low
         out<=mem[addr];
         else
         mem[addr]<=in;
       end
     end
     end
     // ### Please start your Verilog code here ###
  endmodule