Keil c51 environment in the use of the keyboard interrupt inquiries and realize...

There are many different (and often confusing) terms associated with clock-based devices. This application note attempts to clarify these terms, and hence serves as a comprehensive reference on clock terminology. This application note can be divided into two sections. The first section describes and distinguishes between various clock sources available today. The second section defines and distinguishes between various parameters used to describe clocks. This section also provides methods of measuring some of these parameters.

基于AVR单片机mega8的电表C源程序（第一部分主函数与显示部分）-Based on the AVR Microcontroller mega8 meter C source code (the first part of the main function and display part)

功能：编程实现简化Xmodem协议，为实现标准的Xmodem协议做基础-Function: XMODEM protocol to simplify programming for the realization of the standard XMODEM protocol as a foundation

使用FREESCALE单片机内部的EEPROM的程序，经本人试过，完全没有问题，不过使用之前，要先修改内存映射。-Using Freescale

单片机控制的电动自行车驱动系统部分程序 单片机控制的电动自行车驱动系统 单片机型号为16F876 采用块定义的方法定义单片机内部寄存器-MCU control of the drive system for electric bicycle parts of the SCM control drive system for electric bicycle for the 16F876 microcontroller models using block definition of the definition of internal registers MCU

一个小型的数控电源的源码，采用DAC0832进行转换，实现0-12V的精度为0.1的步进调压。-NC a small power source, using the conversion DAC0832, 0-12V realize the accuracy of the stepper regulator 0.1.

这是mcs-51和EEPROM AT24C512 I2C总线接口器件接口的例子 -This is a mcs-51 and EEPROM AT24C512 I2C bus interface device interface example

接上级主管部门通知，为了保障奥运会的网络信息安全，净化网络环境，促进互联网信息服务健康有序发展，从即日起至2008年9月20日，我司将对所有接入的网站进行网络信息安全的彻底排查。-Then the competent authorities to inform their superiors, in order to protect the Olympic Games in network information security, clean up the network environment and the promotion of the Internet Information Service healthy and orderly development, and from now until September 20, 2008, I will have all access to the Division

44B0＋SL811，学习USB编程的好资料，强烈推荐-44B0+ SL811, learning programming USB good information, strongly recommended

用于分析各种点阵字库结构和程序，对嵌入式或单片机开发很有帮助。-Font used to analyze the various lattice structures and procedures to develop single-chip embedded or helpful.