曼彻斯特编解码 Xilinx提供的VHDL的源代码

LCD图形显示代码，已调试过，可以运行成功(LCD graphics display code has been debugged, you can run successfully)

实现数字变下频的matlab程序，CIC,HB,FIR滤波器代码都在其中(Realize digital variable frequency under matlab, CIC, HB, FIR filter code in it )

vhdl source code for 8 bit datapath logic

详细讲解时序约束培训教材，有利于更好对时序约束的理解(Timing constraints elaborate training materials, facilitate better understanding of the timing constraints)

altera DE2 实验板专用 CCD驱动-altera DE2 board dedicated CCD driver

本人编写的FPGA光电编码器输入模块,没有实验,但仿真基本实现,希望有参考价值.(FPGA optical encoder input module, there is no experimental, but simulation technology, hope to have reference value.)

说明：  vhdl code for full adder

是我们在在实验室做的摸60计数，并用LED显示出来。-is done in the laboratory in the loss of 60 counts, and LED show.

八位并行数据转换为串行数据依时钟信号串行输出(Eight bit parallel data to serial data)

摘要：本文主要介绍以CPLD 芯片进行十字路口的交通灯的设计，用CPLD 作为交通灯控制器的主控芯片，采用VHDL 语言编写控制程序，利用CPLD的可重复编程和在动态系统重构的特性，大大地提高了数字系统设计的灵活性和通用性。 关键词：CPLD；VHDL；交通灯控制器 中图分类号：TP39 Abstract ：This paper introduces the electronic-traffic lamp, which is based on the VHDL and is completed by-Abstract: This paper introduces the CPLD chip to the traffic lights at the crossroads of design, traffic lights with CPLD as the master controller chip, the use of VHDL language control procedures, the use of CPLD re-programming and dynamic system reconfiguration in the features greatly enhance the digital system design flexibility and versatility. Keywords: CPLD VHDL traffic lights controller CLC number: TP39 Abstract: This paper introduces the electronic-traffic lamp, which is based on the VHDL and is completed by