这是介绍嵌入式开发相关的资料。有总线与内存的操作

support for Coldfire m5441x processors.

说明：  FPGA锁相环实验： 顶层文件加底层IP文件构成 top中例化ip核pll(Experiment of Phase-Locked Loop Based on FPGA)

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)

基于VHDL语言编写，可下载到FPGA板子上实现的cordic算法实现的设计，并用该算法实现sin和cos的计算，计算结果显示在数码显示管上，已包含按键防抖动功能的实现。(Based on VHDL language, can be downloaded to the the cordic algorithm implemented in the FPGA board to achieve the design and calculation of sin and cos using this algorithm, the results displayed on the digital display tube is included on the function of the realization of the button shake.)

将BT656数据流转换成RGB图像格式的数据(Converting BT656 data stream into RGB image format)

说明：  本文档对LTE进行了详细的介绍，是一本LTE入门的好书(This document is a detailed introduction to LTE, is a good book to get started with LTE)

FPGA驱动VGA接口显示字符 -FPGA-driven interface VGA display characters

LabVIEW FPGA SPI implementation

 音频信号先经过由运放和电阻组成的50Ohm阻抗匹配电路以满足输入阻抗50 Ohm的系统要求，这样方便信号功率的计算。为了保证所处理的信号被不失真的采样，信号还要通过截止频率为10Khz的抗混叠低通滤波器。最后为了AD能正确的采样，信号还要通过信号抬高电路。 经过12位A/D转换芯片MAX144转换后的数字信号经由基于FPGA的NIOSII处理器进行FFT变换和处理，分析各个频率点的功率值，并将这些值显示在LCD上。 该源代码就是fft变换的源代码

使用verilog语言进行编码 完成mdio接口访问phy8201芯片的功能(Use verilog language to encode the mdio interface to access the function of phy8201 chip)