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[/] [8051/] [tags/] [rel_1/] [syn/] [src/] [verilog/] [oc8051_cache_ram.v] - Rev 186
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////////////////////////////////////////////////////////////////////// //// //// //// 8051 data ram //// //// //// //// This file is part of the 8051 cores project //// //// http://www.opencores.org/cores/8051/ //// //// //// //// Description //// //// data ram for virtex //// //// //// //// To Do: //// //// nothing //// //// //// //// Author(s): //// //// - Simon Teran, simont@opencores.org //// //// //// ////////////////////////////////////////////////////////////////////// //// //// //// Copyright (C) 2000 Authors and OPENCORES.ORG //// //// //// //// This source file may be used and distributed without //// //// restriction provided that this copyright statement is not //// //// removed from the file and that any derivative work contains //// //// the original copyright notice and the associated disclaimer. //// //// //// //// This source file is free software; you can redistribute it //// //// and/or modify it under the terms of the GNU Lesser General //// //// Public License as published by the Free Software Foundation; //// //// either version 2.1 of the License, or (at your option) any //// //// later version. //// //// //// //// This source is distributed in the hope that it will be //// //// useful, but WITHOUT ANY WARRANTY; without even the implied //// //// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR //// //// PURPOSE. See the GNU Lesser General Public License for more //// //// details. //// //// //// //// You should have received a copy of the GNU Lesser General //// //// Public License along with this source; if not, download it //// //// from http://www.opencores.org/lgpl.shtml //// //// //// ////////////////////////////////////////////////////////////////////// // // CVS Revision History // // $Log: not supported by cvs2svn $ // Revision 1.2 2002/09/30 17:34:02 simont // prepared header // // // synopsys translate_off `include "oc8051_timescale.v" // synopsys translate_on module oc8051_cache_ram (clk, rst, addr0, data0, addr1, data1_i, data1_o, wr1); // // this module is part of oc8051_icache // it's tehnology dependent // // clk (in) clock // addr0 (in) addres port 0 // data0 (out) data output port 0 // addr1 (in) address port 1 // data1_i (in) data input port 1 // data1_o (out) data output port 1 // wr1 (in) write port 1 // parameter ADR_WIDTH = 7; // cache address wihth parameter CACHE_RAM = 128; // cache ram x 32 (2^ADR_WIDTH) input clk, wr1, rst; input [ADR_WIDTH-1:0] addr0, addr1; input [31:0] data1_i; output [31:0] data0, data1_o; // wire [7:0] dob; RAMB4_S8_S8 ram1(.DOA(data0), .DOB(data1_o), .ADDRA({1'b0, addr0}), .DIA(8'h00), .ENA(1'b1), .CLKA(clk), .WEA(1'b0), .RSTA(rst), .ADDRB({1'b0, addr1}), .DIB(data1_i), .ENB(1'b1), .CLKB(clk), .WEB(wr1), .RSTB(rst)); endmodule