Mercurial > ~darius > hgwebdir.cgi > memec-test
diff fifo.v @ 1:f88da01700da GSOFT-MEMEC-1-REL
Initial import of test project for Memec 3SxLC board with Xilinx XC3S400.
Uses a FIFO and flashes some LEDs.
author | darius |
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date | Fri, 24 Feb 2006 14:01:25 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fifo.v Fri Feb 24 14:01:25 2006 +0000 @@ -0,0 +1,114 @@ +/******************************************************************************* +* This file is owned and controlled by Xilinx and must be used * +* solely for design, simulation, implementation and creation of * +* design files limited to Xilinx devices or technologies. Use * +* with non-Xilinx devices or technologies is expressly prohibited * +* and immediately terminates your license. * +* * +* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" * +* SOLELY FOR USE IN DEVELOPING PROGRAMS AND SOLUTIONS FOR * +* XILINX DEVICES. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION * +* AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION * +* OR STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS * +* IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT, * +* AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE * +* FOR YOUR IMPLEMENTATION. XILINX EXPRESSLY DISCLAIMS ANY * +* WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE * +* IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR * +* REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF * +* INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * +* FOR A PARTICULAR PURPOSE. * +* * +* Xilinx products are not intended for use in life support * +* appliances, devices, or systems. Use in such applications are * +* expressly prohibited. * +* * +* (c) Copyright 1995-2006 Xilinx, Inc. * +* All rights reserved. * +*******************************************************************************/ +// The synopsys directives "translate_off/translate_on" specified below are +// supported by XST, FPGA Compiler II, Mentor Graphics and Synplicity synthesis +// tools. Ensure they are correct for your synthesis tool(s). + +// You must compile the wrapper file fifo.v when simulating +// the core, fifo. When compiling the wrapper file, be sure to +// reference the XilinxCoreLib Verilog simulation library. For detailed +// instructions, please refer to the "CORE Generator Help". + +`timescale 1ns/1ps + +module fifo( + din, + wr_en, + wr_clk, + rd_en, + rd_clk, + ainit, + dout, + full, + empty); + + +input [3 : 0] din; +input wr_en; +input wr_clk; +input rd_en; +input rd_clk; +input ainit; +output [3 : 0] dout; +output full; +output empty; + +// synopsys translate_off + + ASYNC_FIFO_V6_1 #( + 4, // c_data_width + 0, // c_enable_rlocs + 15, // c_fifo_depth + 0, // c_has_almost_empty + 0, // c_has_almost_full + 0, // c_has_rd_ack + 0, // c_has_rd_count + 0, // c_has_rd_err + 0, // c_has_wr_ack + 0, // c_has_wr_count + 0, // c_has_wr_err + 0, // c_rd_ack_low + 2, // c_rd_count_width + 0, // c_rd_err_low + 1, // c_use_blockmem + 0, // c_wr_ack_low + 2, // c_wr_count_width + 0) // c_wr_err_low + inst ( + .DIN(din), + .WR_EN(wr_en), + .WR_CLK(wr_clk), + .RD_EN(rd_en), + .RD_CLK(rd_clk), + .AINIT(ainit), + .DOUT(dout), + .FULL(full), + .EMPTY(empty), + .ALMOST_FULL(), + .ALMOST_EMPTY(), + .WR_COUNT(), + .RD_COUNT(), + .RD_ACK(), + .RD_ERR(), + .WR_ACK(), + .WR_ERR()); + + +// synopsys translate_on + +// FPGA Express black box declaration +// synopsys attribute fpga_dont_touch "true" +// synthesis attribute fpga_dont_touch of fifo is "true" + +// XST black box declaration +// box_type "black_box" +// synthesis attribute box_type of fifo is "black_box" + +endmodule +