自编的C51串口通讯程序，在AT89C51上测试运行OK，用22.1M晶振最高可跑115KBPS...

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HZ12864串口显示液晶的51单片机驱动程序（KEIL工程文件）-HZ12864 serial liquid crystal display driver 51 MCU (KEIL project file)

基于51单片机MAX7219的接口及编程应用程序，采用汇编语言编程制作。-MAX7219 single-chip microcomputer 51 based on the interface and programming applications, the use of assembly language programming produced.

51单片机实现红外键盘的解码，C51语言，Keil编译。32位红外信息。-51 single-chip implementation of the decoding infrared keyboard, C51 language, Keil compiler. 32 infrared information.

Proteus 仿真库 Proteus 仿真库 - 仿真库Proteus 仿真库

基于keilc软件的lcd显示（包括按键扫描）-du to keilc software

此程序为AD9850（DDS）直接数字频率合成器C语言源码。用125M的有源晶振，频率无失真输出可达到40M。该程序包括FYD12864LCD显示程序加4X4矩阵键盘扫描，可步进1M，1K，和任意频率输入。及相位设置。-This procedure for the AD9850 (DDS) Direct Digital Frequency Synthesizer C language source code. With 125M active crystal, the frequency output can be achieved without distortion 40M. The process includes the display program FYD12864LCD plus 4X4 matrix keyboard scanning, may be stepping 1M, 1K, and arbitrary frequency input. And phase settings.

一个按件扫描程序，是用C语言写的，内含头文件和主程序-A piece scanning procedures, is written in C language, contains header files and the main program

本程序有一定的参考价值，内含电路图及程序，有利于单片机开发-This procedure has certain reference value, including circuit diagrams and procedures, in favor of single-chip development

在提高硬件系统抗干扰能力的同时，软件抗干扰以其设计灵活、节省硬件资源、可靠性好越来越受到重视。下面以MCS-51单片机系统为例，对微机系统软件抗干扰方法进行研究。-Improve hardware system in the anti-jamming ability, anti-jamming software for its design flexibility, save hardware resources, increasing reliability of good attention. Below MCS-51 single-chip microcomputer system as an example, computer system software for anti-jamming methods.