实光电码盘的输出数据的四倍频，使码盘输出精度提高四倍。...

MP3解码的ASIC全部过程，包换含c和vhdl代码，样例。(MP3 decoding ASIC whole process, shifting with c and vhdl code, sample.)

FPGA实现DDS波形发生器，多种信号的产生，(FPGA realization of DDS waveform generator to produce a variety of signals,)

8路视频光端机的VHDL源码，此硬件使用以太网的SERDES 借用TBI接口传输PCM视频信号。-8-channel video PDH in VHDL source code

fpga高手设计实战真经100则,最新的FPGA英文书籍，值得参考学习(100 Power Tips for FPGA Designers，The new FPGA English books, worth learning)

verilog 代码. 经验证成功,可以作为标准单元库,为FPGA设计者使用.-Verilog code. Certified success, as a standard cell library for the use of FPGA designers.

51单片机的下载器PCB图，可以用于at89cXX和at89c0xx系列的单片机的程序烧录，简单好用！使用proteus画的板。(51 MCU PCB map downloader, can be used at89cXX and procedures for microcontroller series at89c0xx burning, easy to use! Drawing board with proteus.)

一个Verilog的JTAG程序例子，包括完整的说明文档和源文件。(tap_top.v This file is part of the JTAG Test Access Port (TAP) http://www.opencores.org/projects/jtag/ Author(s): Igor Mohor (igorm@opencores.org))

用VHDL语言实现的蜂鸣器发声程序，当按下不同按键时，发出不同频率的声音(Function:when different buttens are pressed, beep will play sound with different frequency. laguage:VHDL)

HDL example source code 1/5 dff_as

crc循环冗余校验码，用于对传输信号进行编码校验，是信息更可靠-crc cyclic redundancy check code used to transmit coded signals to verify, the information is more reliable