📄 fifo204.v
字号:
/*******************************************************************************
* 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 1995-2004 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 fifo204.v when simulating
// the core, fifo204. 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 fifo204(
clk,
din,
rd_en,
rst,
wr_en,
dout,
empty,
full);
input clk;
input [7 : 0] din;
input rd_en;
input rst;
input wr_en;
output [7 : 0] dout;
output empty;
output full;
// synopsys translate_off
FIFO_GENERATOR_V2_0 #(
1, // c_common_clock
0, // c_count_type
2, // c_data_count_width
"BlankString", // c_default_value
8, // c_din_width
"0", // c_dout_rst_val
8, // c_dout_width
0, // c_enable_rlocs
"virtex4", // c_family
0, // c_has_almost_empty
0, // c_has_almost_full
0, // c_has_backup
0, // c_has_data_count
0, // c_has_meminit_file
0, // c_has_overflow
0, // c_has_rd_data_count
0, // c_has_rd_rst
1, // c_has_rst
0, // c_has_underflow
0, // c_has_valid
0, // c_has_wr_ack
0, // c_has_wr_data_count
0, // c_has_wr_rst
1, // c_implementation_type
0, // c_init_wr_pntr_val
3, // c_memory_type
"BlankString", // c_mif_file_name
0, // c_optimization_mode
0, // c_overflow_low
1, // c_preload_latency
0, // c_preload_regs
1024, // c_prim_fifo_type
256, // c_prog_empty_thresh_assert_val
256, // c_prog_empty_thresh_negate_val
0, // c_prog_empty_type
768, // c_prog_full_thresh_assert_val
768, // c_prog_full_thresh_negate_val
0, // c_prog_full_type
2, // c_rd_data_count_width
16, // c_rd_depth
4, // c_rd_pntr_width
0, // c_underflow_low
0, // c_valid_low
0, // c_wr_ack_low
2, // c_wr_data_count_width
16, // c_wr_depth
4, // c_wr_pntr_width
1) // c_wr_response_latency
inst (
.CLK(clk),
.DIN(din),
.RD_EN(rd_en),
.RST(rst),
.WR_EN(wr_en),
.DOUT(dout),
.EMPTY(empty),
.FULL(full),
.BACKUP(),
.BACKUP_MARKER(),
.PROG_EMPTY_THRESH(),
.PROG_EMPTY_THRESH_ASSERT(),
.PROG_EMPTY_THRESH_NEGATE(),
.PROG_FULL_THRESH(),
.PROG_FULL_THRESH_ASSERT(),
.PROG_FULL_THRESH_NEGATE(),
.RD_CLK(),
.RD_RST(),
.WR_CLK(),
.WR_RST(),
.ALMOST_EMPTY(),
.ALMOST_FULL(),
.DATA_COUNT(),
.OVERFLOW(),
.PROG_EMPTY(),
.PROG_FULL(),
.VALID(),
.RD_DATA_COUNT(),
.UNDERFLOW(),
.WR_ACK(),
.WR_DATA_COUNT());
// synopsys translate_on
endmodule
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -