该程序实现的是n位全加器，首先用与非门实现一位全家器，最后实现n位的全加器。...

vhdl的基础性的介绍，对初学者大有用处-vhdl basic introduction

这是我准备电子设计大赛时，用VHDL写的一个自动打铃系统，很好的学习资料。-This is when I am going to Electronic Design Contest, use VHDL to write an automatic bell playing system, a very good learning materials.

此RS232通信协议用VHDL语言实现，基于Altium Designer公司的Protel DXP开发平台。本人是基于Nanaboard开发板编写的程序，其他用户只需要对配置文件进行修改即可用于其他电路板。-RS232 communication protocol with the VHDL language, based on the Altium Designer

MCP4725实现的i2c驱动程序，通过DA转换实现函数发生器(MCP4725 come ture i2c drive program,Through da conversion function generator in English)

说明：  实现在屏幕上显示绿色和红色相间的水平条纹。其中，vga_640x480模块将产生行同步信号hsyn和场同步信号 vsync; vga_stripes模块将产生red、green和blue三个输出。(The horizontal stripes of green and red are displayed on the screen. Among them, vga_640x480 module will produce line synchronization signal Hsyn and field synchronization signal vsync; vga_stripes module will produce red, green and blue three outputs.)

基于VHDL的自动售货机实现,包含完整的源代码,锁脚文件以及下载文件-VHDL-based vending machine realize that contains the complete source code, locking pin, as well as download files documents

数字电子钟用自拍图像代替了内置图像的石英制作

DDS_AD9854_for FPGA ,FPGA开发下的verilog源代码，信号发生器(DDS_AD9854_for FPGA, verilog source code, signal generator.)

电子表，实现计时记分计秒的功能，同时可以对时分秒进行校正，实现调时功能。-Electronic watches, time points of dollars to achieve a second function, at the same time when the minutes and seconds can be calibrated to achieve when the transfer function.

This source is used to control 7 segments on FPGA boad