曼彻斯特编码和解码

用fpga芯片使用vhdl语言对AD转换芯片ADC0809进行控制(Using the fpga chip use language of VHDL AD transform chip ADC0809 control)

一个AD9226芯片的驱动，用FPGA写的。虽然简单，但是希望对各位有帮助(An AD9226 chip driver, FPGA written. Though simple, but I hope you will help)

OpenRISC 1200 cpu with integrated patches to support ORPSOC and FuseSOC builders

说明：  基于Xilinx Spartan6系列的fpga的VGA实现(Based on Xilinx Spartan6 series fpga VGA implementation)

FPGA实现增量式光栅尺正交脉冲解码，基于Verilog(FPGA realization of incremental grating ruler orthogonal pulse decoding, based on Verilog)

Diagram and how-to-make instructions pack of 6 diferent Amplifiers

基于ARM_FPGA的嵌入式数控装置研究，有具体的方案，思路，程序(ARM_FPGA based embedded CNC device research, there are specific programs, ideas, procedures)

8位加减器，八位减法器与加法器，用过一个控制端可以自由变换，采用移位加法方式，用途广泛，利用减法位补码加法的理论实现。(8 addition and subtraction, eight subtractor and adder, used a control terminal can freely change the using Shift addition, a wide range of uses, the use of subtraction complement addition theory to achieve.)

利用IIC接口的4路 ADC max1037，采集思路信号，通过在FPGA内部的构建DeltaSigma DAC软核，在VGA液晶显示屏上显示波形。 (IIC interface 4-way ADC max1037, collecting ideas signal the FPGA internal build DeltaSigma DAC soft-core VGA LCD display waveforms.)

DDS基本原理，详细讲述了DDS基本原理及设计技巧(DDS Basic principle)