Mercurial > ~darius > hgwebdir.cgi > memec-test
view fifo.vhd @ 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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-------------------------------------------------------------------------------- -- 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. -- -------------------------------------------------------------------------------- -- You must compile the wrapper file fifo.vhd when simulating -- the core, fifo. When compiling the wrapper file, be sure to -- reference the XilinxCoreLib VHDL simulation library. For detailed -- instructions, please refer to the "CORE Generator Help". -- 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). LIBRARY ieee; USE ieee.std_logic_1164.ALL; -- synopsys translate_off Library XilinxCoreLib; -- synopsys translate_on ENTITY fifo IS port ( din: IN std_logic_VECTOR(3 downto 0); wr_en: IN std_logic; wr_clk: IN std_logic; rd_en: IN std_logic; rd_clk: IN std_logic; ainit: IN std_logic; dout: OUT std_logic_VECTOR(3 downto 0); full: OUT std_logic; empty: OUT std_logic); END fifo; ARCHITECTURE fifo_a OF fifo IS -- synopsys translate_off component wrapped_fifo port ( din: IN std_logic_VECTOR(3 downto 0); wr_en: IN std_logic; wr_clk: IN std_logic; rd_en: IN std_logic; rd_clk: IN std_logic; ainit: IN std_logic; dout: OUT std_logic_VECTOR(3 downto 0); full: OUT std_logic; empty: OUT std_logic); end component; -- Configuration specification for all : wrapped_fifo use entity XilinxCoreLib.async_fifo_v6_1(behavioral) generic map( c_use_blockmem => 1, c_rd_count_width => 2, c_has_wr_ack => 0, c_has_almost_full => 0, c_has_wr_err => 0, c_wr_err_low => 0, c_wr_ack_low => 0, c_data_width => 4, c_enable_rlocs => 0, c_rd_err_low => 0, c_rd_ack_low => 0, c_wr_count_width => 2, c_has_rd_count => 0, c_has_almost_empty => 0, c_has_rd_ack => 0, c_has_wr_count => 0, c_fifo_depth => 15, c_has_rd_err => 0); -- synopsys translate_on BEGIN -- synopsys translate_off U0 : wrapped_fifo port map ( 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); -- synopsys translate_on END fifo_a;