本代码主要实现了两片mega16单片的串口通信，

利用PC的并口做的JTAG接口，向基于S3C2410A系统的Flash芯片烧入bootloader的程序源码。-use of the PC parallel port JTAG interface done to the system based on S3C2410A burned into the chip Flash Bootloader procedures source.

该代码是在一款8051芯片上实现最基本的ＭＰ３程序，　通过阅读该代码可以完成了解ＭＰ３的实现过程．-The code section 8051 of the chips to achieve the most basic MP3 procedures, By reading of the code will be completed to understand the process of the realization of MP3.

EasyARM2104开发套件实时时钟测试源代码。-EasyARM2104 Boards Real Time Clock test source code.

keil c51实用技巧，包括对51单片机的详细解说与源码的实例-keil c51 practical skills, including 51 single-chip microcomputer with a detailed explanation of the source code examples

嵌入式操作系统Tornador中函数库的参考--Library functions in embedded operating system Tornador.

双面印制电路板的电磁兼容设计教程EMC教材-Double-sided printed circuit board design for good electromagnetic compatibility Guide

应用背景可用于各种需要PWM波的芯片，PWM的作用很多，也可以固定输出一个占空比和频率的方波，还可以再利用电源造SPWM关键技术STC12C5a60S2用定时器0产生1Khz的方波，通过按键可调节占空比，1-99%可调，通过数码管显示占空比，兼容普通的89C52， 只是运行速度不够快，频率要低一点，可以通过修改定时器的值改变频率

红外遥控器已被广泛使用在各种类型的家电产品上，它的出现给使用家器提供了很多的便利。红外遥控系统一般由红外发射装置和红外接受设备两大部分组成。红外发射装置又可由键盘电路、红外编码芯片、电源和红外发射电路组成。红外接收设备可由红外接收电路、红外解码芯片、电源和应用电路组成。通常为了使信号能更好的被传输发送端将基带二进制信号调制为脉冲串信号，通过红外发射管发射。本设计采用Atmega8作为红外发射编码和接收解码芯片。-Infrared remote control has been widely used in various types of household electrical appliances, it" s there to provide the users a lot of convenience. Infrared remote control system in general by the infrared emission devices and infrared devices to accept the composition of two major parts. Infrared emission circuit device can be by keyboard, infrared encoder chip, power and infrared emission circuit. By the infrared receiver infrared receiver circuit equipment, infrared decoder chip, power supply and application circuit. Usually better in order to signal the sending end of the transmission to binary base-band signal for pulse modulation, through the launch tube infrared emission. The design uses infrared emission Atmega8 as encoding and decoding chip receiver.

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DNW0.50L软件的源代码，目前的最新版本，在0.50A的基础上增加了UBOOT选项。-DNW0.50L software source code, the current latest version 0.50A basis in an increase of UBOOT options.