diff options
Diffstat (limited to 'opencores/sd_interface/RTL/dpMem_dc.v')
-rw-r--r-- | opencores/sd_interface/RTL/dpMem_dc.v | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/opencores/sd_interface/RTL/dpMem_dc.v b/opencores/sd_interface/RTL/dpMem_dc.v deleted file mode 100644 index 66cd253fb..000000000 --- a/opencores/sd_interface/RTL/dpMem_dc.v +++ /dev/null @@ -1,84 +0,0 @@ -//////////////////////////////////////////////////////////////////////
-//// ////
-//// dpMem_dc.v ////
-//// ////
-//// This file is part of the usbhostslave opencores effort.
-//// <http://www.opencores.org/cores//> ////
-//// ////
-//// Module Description: ////
-//// Synchronous dual port memory with dual clocks
-//// ////
-//// To Do: ////
-////
-//// ////
-//// Author(s): ////
-//// - Steve Fielding, sfielding@base2designs.com ////
-//// ////
-//////////////////////////////////////////////////////////////////////
-//// ////
-//// Copyright (C) 2004 Steve Fielding 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> ////
-//// ////
-//////////////////////////////////////////////////////////////////////
-//
-`include "timescale.v"
-
-module dpMem_dc( addrIn, addrOut, wrClk, rdClk, dataIn, writeEn, readEn, dataOut);
- //FIFO_DEPTH = ADDR_WIDTH^2
- parameter FIFO_WIDTH = 8;
- parameter FIFO_DEPTH = 64;
- parameter ADDR_WIDTH = 6;
-
-input wrClk;
-input rdClk;
-input [FIFO_WIDTH-1:0] dataIn;
-output [FIFO_WIDTH-1:0] dataOut;
-input writeEn;
-input readEn;
-input [ADDR_WIDTH-1:0] addrIn;
-input [ADDR_WIDTH-1:0] addrOut;
-
-wire wrClk;
-wire rdClk;
-wire [FIFO_WIDTH-1:0] dataIn;
-reg [FIFO_WIDTH-1:0] dataOut;
-wire writeEn;
-wire readEn;
-wire [ADDR_WIDTH-1:0] addrIn;
-wire [ADDR_WIDTH-1:0] addrOut;
-
-reg [FIFO_WIDTH-1:0] buffer [0:FIFO_DEPTH-1];
-
-// synchronous read. Introduces one clock cycle delay
-always @(posedge rdClk) begin
- dataOut <= buffer[addrOut];
-end
-
-// synchronous write
-always @(posedge wrClk) begin
- if (writeEn == 1'b1)
- buffer[addrIn] <= dataIn;
-end
-
-
-endmodule
|