OpenCores
URL https://opencores.org/ocsvn/yacc/yacc/trunk

Subversion Repositories yacc

[/] [yacc/] [trunk/] [syn/] [xilinx/] [fifo.vhd] - Blame information for rev 2

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 2 tak.sugawa
--------------------------------------------------------------------------------
2
--     This file is owned and controlled by Xilinx and must be used           --
3
--     solely for design, simulation, implementation and creation of          --
4
--     design files limited to Xilinx devices or technologies. Use            --
5
--     with non-Xilinx devices or technologies is expressly prohibited        --
6
--     and immediately terminates your license.                               --
7
--                                                                            --
8
--     XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS"          --
9
--     SOLELY FOR USE IN DEVELOPING PROGRAMS AND SOLUTIONS FOR                --
10
--     XILINX DEVICES.  BY PROVIDING THIS DESIGN, CODE, OR INFORMATION        --
11
--     AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION            --
12
--     OR STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS              --
13
--     IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT,                --
14
--     AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE       --
15
--     FOR YOUR IMPLEMENTATION.  XILINX EXPRESSLY DISCLAIMS ANY               --
16
--     WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE                --
17
--     IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR         --
18
--     REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF        --
19
--     INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS        --
20
--     FOR A PARTICULAR PURPOSE.                                              --
21
--                                                                            --
22
--     Xilinx products are not intended for use in life support               --
23
--     appliances, devices, or systems. Use in such applications are          --
24
--     expressly prohibited.                                                  --
25
--                                                                            --
26
--     (c) Copyright 1995-2004 Xilinx, Inc.                                   --
27
--     All rights reserved.                                                   --
28
--------------------------------------------------------------------------------
29
-- You must compile the wrapper file fifo.vhd when simulating
30
-- the core, fifo. When compiling the wrapper file, be sure to
31
-- reference the XilinxCoreLib VHDL simulation library. For detailed
32
-- instructions, please refer to the "CORE Generator Help".
33
 
34
-- The synopsys directives "translate_off/translate_on" specified
35
-- below are supported by XST, FPGA Compiler II, Mentor Graphics and Synplicity
36
-- synthesis tools. Ensure they are correct for your synthesis tool(s).
37
 
38
-- synopsys translate_off
39
LIBRARY ieee;
40
USE ieee.std_logic_1164.ALL;
41
 
42
Library XilinxCoreLib;
43
ENTITY fifo IS
44
        port (
45
        clk: IN std_logic;
46
        sinit: IN std_logic;
47
        din: IN std_logic_VECTOR(7 downto 0);
48
        wr_en: IN std_logic;
49
        rd_en: IN std_logic;
50
        dout: OUT std_logic_VECTOR(7 downto 0);
51
        full: OUT std_logic;
52
        empty: OUT std_logic);
53
END fifo;
54
 
55
ARCHITECTURE fifo_a OF fifo IS
56
 
57
component wrapped_fifo
58
        port (
59
        clk: IN std_logic;
60
        sinit: IN std_logic;
61
        din: IN std_logic_VECTOR(7 downto 0);
62
        wr_en: IN std_logic;
63
        rd_en: IN std_logic;
64
        dout: OUT std_logic_VECTOR(7 downto 0);
65
        full: OUT std_logic;
66
        empty: OUT std_logic);
67
end component;
68
 
69
-- Configuration specification 
70
        for all : wrapped_fifo use entity XilinxCoreLib.sync_fifo_v5_0(behavioral)
71
                generic map(
72
                        c_read_data_width => 8,
73
                        c_has_wr_ack => 0,
74
                        c_dcount_width => 1,
75
                        c_has_wr_err => 0,
76
                        c_wr_err_low => 1,
77
                        c_wr_ack_low => 1,
78
                        c_enable_rlocs => 0,
79
                        c_has_dcount => 0,
80
                        c_rd_err_low => 1,
81
                        c_rd_ack_low => 1,
82
                        c_read_depth => 512,
83
                        c_has_rd_ack => 0,
84
                        c_write_depth => 512,
85
                        c_ports_differ => 0,
86
                        c_memory_type => 1,
87
                        c_write_data_width => 8,
88
                        c_has_rd_err => 0);
89
BEGIN
90
 
91
U0 : wrapped_fifo
92
                port map (
93
                        clk => clk,
94
                        sinit => sinit,
95
                        din => din,
96
                        wr_en => wr_en,
97
                        rd_en => rd_en,
98
                        dout => dout,
99
                        full => full,
100
                        empty => empty);
101
END fifo_a;
102
 
103
-- synopsys translate_on
104
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.