一个简单的DDS

地铁售票系统，基于VHDL，可实现站点设置，站点选择，选择购票数量，找零等一系列功能。-Metro ticketing system, based on VHDL, allows site settings, site selection, choose the number of tickets, Keep the change and a series of functions.

用verilog写的各种实用的分频器，很好的参考例子。-Using Verilog to write a variety of practical divider, a good reference example.

实现基于NIOS的 EP3C16与加速度传感器NMA7455的IIC基本通信(Realization of based on NIOS EP3C16 and acceleration sensor NMA7455 IIC of basic communication )

CH4CH2CH1VHDL 数字电路参考书所有程序7-CH4CH2CH1VHDL digital circuit reference all proceedings 7

ip核的FFTverilog源代码，说明不是很具体-ip nuclear FFTverilog source code, that is not very specific

本模块是实现格雷码和二进制码的转换，并给出仿真测试文件(This module is to achieve the conversion of Gray code and binary code, and give the simulation test file)

LDPC码校验节点（checknode）进行奇偶校验方程时的vhdl编程，硬件语言实现-LDPC check nodes (checknode) carried out at the time of parity equation VHDL programming, hardware language

从bt656数据流中提取出同步信号, 适合于搞fpga/cpld开发调式(bt656 internel sync to extern sync singal， bt656 internel sync to extern sync singal)

fft快速傅立叶变换源码-the source of fast fft transform

应用背景FPGA原型的VHDL例子提供一系列清晰，易于遵循的快速代码开发模板；大量的实际例子来说明和强化的概念和设计技术；现实可实施的项目和测试在Xilinx原型板；深入探索和Xilinx PicoBlaze软核微处理器。关键技术本书采用“做中学”介绍VHDL和FPGA技术的概念和设计人员通过一系列的实验方法。