关于vhdl的一些例子

FFT处理器设计及其应用研究，适合做fpga信号处理的技术人员参考-FFT processor design and applied research, suitable for signal processing fpga technology reference

有关gal器件的编程入门，以及常见逻辑门、计数器VHDL程序(For gal device programming entry, as well as common logic gates, counters VHDL program)

通信IC设计的第二章Verilog参考学习代码，方便初学者学习入门，供学习参考用The codes of Chapter1 of《Communication IC Design》(The codes of Chapter2 of《Communication IC Design》)

数字频率测量器，脉宽测量器。可测量多种频率波形的脉宽。(Digital frequency measurement device, pulse width measurement device. Measurement of the waveform of frequency pulse width)

说明：  模拟交通灯 verilog CPLD EPM1270 源代码(Simulation of traffic lights verilog CPLDEPM1270 source code)

基于FPGA的UDP硬件协议栈， 全部用SystemVerilog写的，不需CPU参与，包括独立的MAC模块。 支持外部phy的配置，支持GMII和RGMII模式。 以下是接口 input clk50, input rst_n, /////////////////////// //interface to user module input [7:0] wr_data, input wr_clk, input wr_en, output wr_full, output [7:0] rd_data, input rd_clk, input rd_en, output rd_empty, input [31:0] local_ipaddr, //FPGA ip address input [31:0] remote_ipaddr, //PC ip address input [15:0] local_port, //FPGA port number //interface to ethernet phy output mdc, inout mdio, output phy_rst_n, output is_link_up, `ifdef RGMII_IF input [3:0] rx_data, output logic [3:0] tx_data, `else input [7:0] rx_data, output logic [7:0] tx_data, `endif input rx_clk, input rx_data_valid, input gtx_clk, output logic tx_en(UDP hardware stack, written in system verilog, do nt need CPU.Projgect includes MAC Layer,support phy configuration.support gmii and rgmii mode. the interface is as the follows: input clk50, input rst_n, /////////////////////// //interface to user module input [7:0] wr_data, input wr_clk, input wr_en, output wr_full, output [7:0] rd_data, input rd_clk, input rd_en, output rd_empty, input [31:0] local_ipaddr, //FPGA ip address input [31:0] remote_ipaddr, //PC ip address input [15:0] local_port, //FPGA port number //interface to ethernet phy output mdc, inout mdio, output phy_rst_n, output is_link_up, `ifdef RGMII_IF input [3:0] rx_data, output logic [3:0] tx_data, `else input [7:0] rx_data, output logic [7:0] tx_data, `endif input rx_clk, input rx_data)

程序来自《现代通信系统－使用matlab》英文版 已经调通！并加上了注释。 希望对大家有帮助1(fpga)

this come from alter ,you can look and find it on line.

用vlog语言编写的cpu控制器源代码，用于fpga的硬件编程实验-vlog language used in the preparation of cpu controller source code for programming fpga hardware experiments

Verilog实现的NOR FLASH控制器，基于M25P128开发，功能完整，简洁易懂，自用无问题。(Verilog implementations NOR FLASH controller, based M25P128 development, full-featured, easy to read, for personal use, no problem.)