使用CORDIC实现直角坐标的转换，用VHDL乙酰胆碱…

c语言编写51单片机键盘扫描程序，方便移植到其他的硬件上去-51 Singlechip c language keyboard scanning procedures for transplantation to other hardware up

verilog code for 8 bit alu

它是一个8051 VHDL源代码发布的原创。

Simple I2C controller -- 1) No multimaster -- 2) No slave mode -- 3) No fifo s -- -- notes: -- Every command is acknowledged. Do not set a new command before previous is acknowledged. -- Dout is available 1 clock cycle later as cmd_ack -Simple I2C controller-- 1) No multimaster-- 2) No slave mode-- 3) No fifo"s---- notes :-- Every command is acknowledged. Do not set a ne w command before previous is acknowledged.-- D is available out a clock cycle later as cmd_ack

从入门到精通，从简单到难，带你轻轻松松玩转FPGA(It is used to measure noise and detect road noise pollution. It is accurate and has good effect.)

利用最新的嵌入式开发工具EDK，在FPGA 中完成对PDIUSBD12 的硬件定制和固件编程，从而在FPGA 中实现U S B 控制器， 并最终完成U S B 的枚举过程、驱动程序的开发和简单的应用。(Using the latest embedded development tools, EDK, in the FPGA completes its PDIUSBD12 custom hardware and firmware programming, in order to realize USB controller in the FPGA, and ultimately complete the USB enumeration process of driver development and simple应用.)

08EE06EDA 实验 4（VHDL 状态机设计_序列检测器）6/7/2008-design thesis requirement by vhdl

主要论述了基于FPGA的末制导雷达伺服系统设计。结合末制导雷达讨论其电机控制、二阶伺服系统性能和PID校正算法,利用VHDL语言设计,实现基于FPGA的方位步进电机开环定位控制和俯仰直流电机闭环速度控制的伺服系统。结合实际应用中遇到的问题,提出了基于"反馈控制"理论的有效的补偿算法,该算法提高了伺服系统的稳定性、快速性和精度。(Mainly discusses the design of terminal guidance radar servo system based on Field Programmable Gates Array(FPGA).It includes the system’s electric machine control,second-order servo system performance and PID correction algorithm based on Virtual Hardware Description Language(VHDL) on azimuth stepping motor open loop positioning control and pitch direct current electric machine closed loop speed control of the FPGA servo system.In allusion to some factual problems during its application,presents corresponding effective solutions based on traditional control theory "Feedback Control".The fact proves that these methods can greatly improve the stability,speediness and precision of the original servo system.Additionally,a basic algorithm which can be realized in a terminal guidance radar servo system is given)

This source is used to control 7 segments on FPGA boad

高速流水的SDRAM控制器，最高速度可达速度在200M左右(high speed SDRAM controller)