AT89C51中文资料。AT89C51的8引言

文介绍一种用单片机普通I/O 口实现串行通信的方法，可在单片机的最小应用系统中实现与两个以上串行接口设备的多机通信。附有电路图和源代码。-text introduces a microcontroller I/O port serial communications, in the smallest single-chip microcomputer application system to achieve more with two serial interfaces of multi-machine communication. With circuit and the source code.

本代码为51单片机C语言应用开发技术大全的完整代码 包含51单片机各个模块的代码设计 可直接用于项目开发-The code for 51 MCU application development technology, C-code contains the full corpus of 51 microcontroller code design of each module can be directly used for project development

利用单片机定时计数器，测量信号频率： 利用单片机定时计数器，测量信号频率-The use of single-chip timer counters, measuring signal frequency: use of single-chip timer counters, measuring signal frequency

ATMEG88 AVR 实时时钟的实现-ATMEG88 AVR realization of real-time clock

单片机读写SPI－FLash程序，驱动开发。-Microcontroller to read and write SPI-FLash process-driven development.

c8051f340 USB传输 固件驱动， c8051f340 USB传输 固件驱动，-transmission c8051f340 USB drive firmware, c8051f340 USB transmission firmware-driven,

D/A单片机程序，供单片机爱好者参考-D/A microcontroller procedures for SCM reference lovers

这个版本(InteliIM Open Kernel Release 2)是目前最新的（首次公开），-This version (InteliIM Open Kernel Release 2) is the latest (first public),

8051上的CRC8校验 A CCITT-8 CRC calculator. The source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) version.-8051 CRC8 check on the CCITT A-8 CRC calculator. Th e source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) versio n.

自制红外线自动门控制器电路,市场上成品的自动门控制及执行机构价格普遍偏高，文中介绍的方法适合家庭自制使用，用到的元器件都很容易找到，有兴趣者不仿一试。-Self-made infrared automatic door controller circuit, the market finished the automatic door control and enforcement agencies generally high prices, the introduction of the method is suitable for home use, the components used are very easy to find, do not have interest in like a try.