电路板布线设计，快速优化，通道布线算法

GPS接收机与PC机串行通信技术的开发与应用-GPS receiver and PC serial communication technology development and application

VHDl硬件描述语言实现单片机与cpld通信-VHDL hardware description language to achieve communication between SCM and CPLD

用于检测DS18B20 用keil生成hex再用-For the detection of DS18B20 generated using keil reuse hex

PTR8000的一个调试程序，功能还可以。-PTR8000 a debugger, functions can also be.

C51源程序库，一些例，学51单片机的基础用-C51 source database, a number of cases, the basis of study with 51 single-chip microcomputer

本文档包括单片机系统中常用到的时钟中断、通讯及键盘扫描等模块(见所附源程序)的说明。这些模块使用前后台系统模型。为达到最大的灵活性, 需要在用户工程中定义config.h文件, 在其中定义各模块可选参数的设置，而不是直接更改源代码。-this document, including SCM system clock used to the interruption communications and keyboard scanning modules (see accompanying source code) Note. These modules use before and after the Taiwan model. To achieve maximum flexibility in user defined config.h engineering documents, in the definition module optional parameter settings, and not to directly change the source code.

这是一个音量控制IC，采用IIC通信方式，容易控制，价格便宜。-This is a volume control IC, the use of IIC communication, easy to control and cheaper prices.

本代码是无线遥控中常用的pt2272模块的主控单片机代码，实现了编址发送功能。-the wireless remote control code is used in the main control module pt2272 microcontroller code, Implementation of the address this function.

C51单片机的非常好的实例，播放音乐，好好学习-C51 MCU very good example of music, to learn

代码为单片机与液晶模块的接口电路程序以及显示程序，适用于用单片机实现液晶模块显示的初学者-Code for the microcontroller and LCD module interface circuit procedures and display program for display LCD module with MCU for beginners