将NiosII程序下载到Flash的方法

PCB软件程序原代码.用于电路板设计的开源软件-PCB source software program. PCB design for the open-source software

这是支持MF RC500 MIFARE 读写集成电路IC的有关射频设计的应用笔记。意在提供对MIFARE 射频接口（ISO 14443A）所需的理解来设计具体天线应用和匹配电路，为了使无接触MIFARE卡通信有最优表现。本文给出了系统的RF部分背景，以及如何为标准应用设计和调试天线的过程概述。详细说明了两种不同的天线和匹配概念以及它们的设计实例。还描述了完整的调试天线的步骤。作为附件的一部分，有兴趣的读者会发现RF接口的详细理论描述-This is to support reading and writing IC MF RC500 MIFARE RF IC design of the Application Notes. Intended to provide MIFARE RF Interface (ISO 14443A) designed to understand the requirements of specific applications and antenna matching circuits, in order to make contactless MIFARE cards have the best communication performance. In this paper, the RF part of the background of the system, as well as standard application for the design and debugging process of an overview of the antenna. Detailed description of the two different concepts of antennas and matching, as well as their design. Also a complete description of the steps to debug the antenna. As part of the annex, interested readers will find the detailed theory of RF Interface Description

低频数字式相位测量仪； 此系统由相位测量仪、数字式移相信号发生器和移相网络三部分组成。为使系统更加稳定，使系统整体精度得以保障，本电路两块T89C52为核心控制器件分别控制相位测量、数字式移相信号发生,在数字式移相信号发生部分采用了锁相技术、CPLD等技术, 使输出波形精度大大提高，并可对频率自动校验，提高频率稳定性。-low-frequency digital phase-measuring instrument; This system consists of phase-measuring instrument, digital phase shifting generator and phase three network components. To make the system more stable, the overall accuracy of the system can be protected, the two T89C52 circuit control devices at the core respectively phase measurement control, digital believe the shift occurred, the digital shift occurred some believe that the use of lock-in technologies, such as CPLD technology, the output waveform accuracy greatly improved, and can automatic calibration frequency, frequency stability.

周立功easyarm2200平台第三章试验源码-Ligong easyarm2200 week test-source platform for Chapter III

E05-24LE1系列模块附送资料.zip

     在老师指导下编的源码，安卓百度地图的，功能还可以，查询公交路线，卫星定位等等等啦，需要从百度地图官网上注册一下，下载钥匙，匹配一下，然后就可以用了。可以运行的程序，起码在我自己电脑上跑的起来，希望对大家有用哈！

eda技术的说明,程序VHDL(电梯键扫交通灯步进电机)CPLD/FPGA-EDA description of the techniques, procedures VHDL (elevator button sweep stepper motor traffic lights) CPLD/FPGA

应用背景信息存储技术进入了快速发展的阶段，信息存储技术在水声学中有着特殊的地位,水声学是需要大量收集信息的学科,以及水下条件的限制，使得对于水声学领域的信息存储技术不仅要具有较高安全性、可靠性。存储系统部分要做到功耗尽可能的低，体积更小，这样才有利于该存储系统在水下长时间可靠地工作。正是由于上述原因，选择MSP430单片作为主控器件,SD卡作为存介质。实现存储功能关键技术MSP430F5529作为主控芯片 SD卡作为存储介质 在SD卡中生成FAT32文件系统

在SPI 平台优化好的G.711代码,保证好用-SPI platform in good G.711 optimized code, to ensure ease of use

4x4的键盘的程序在430单片机程序，键盘是有源的，硬件电路设置成的是上拉-4x4 keyboard program in 430 MCU program, the keyboard is active, the hardware circuit set the pull-up