4个7段lcd同时显示的程序，已经在digilent的nexy2板上通过验证，非常好用易懂，适合初学者学习...

this file is vhdl code of alu

几个fpga竞赛的设计例-Several Example FPGA design contest

适合DE2板，能够在板子上的液晶显示器上实现时钟功能。-for Dictyophora board, in the way of achieving LCD clock function.

EDA-Verilog 编码原则，初学者必看！-EDA-Verilog coding principles, beginners must-see!

ip core of the transceiver gtx

快速付里叶变换子程序所需 RAM 空间以输入的首地址为基址,向增加的方向扩展(Fast Fourier Transform subroutine RAM space required to input the first address of the site was to increase the direction of expansion)

详细的说明了FPGA设计的整个流程 FPGA设计全流程Modelsim>>Synplify.Pro>>ISE(Detailed description of the FPGA design flow of the entire FPGA design flow full Modelsim> > Synplify.Pro> > ISE)

VHDL版的C51核(MC8051)-VHDL version of the C51 core (MC8051)

异步复位状态机 -- State Machine with Asynchronous Reset -- dowload from: www.fpga.com.cn & www.pld.com.cn -asynchronous reset state machine-- State Machine with Asynchronou "s Reset-- dowload from : www.fpga.com.cn

     提供2个VHDL程序实现键盘显示的功能，第一个是16*16点阵显示“北京欢迎”，用VHDL语言编程实现，串烧在单片机实验工具箱上，让单片机点阵键盘上依次显示“北京欢迎”的字样。另附有LED数码管循环显示0～9数字的VHDL程序 ，成功串烧后，键盘上连续显示0~9这10个数字。