实时时钟芯片PCF8563 控制C51源程序

利用单片机、HD7279、键盘，实现计时器、倒计时器。-The use of single-chip, HD7279, keyboard, realize the timer countdown device.

1720的经典程序，实现了1720的几乎所有功能，程序编写标准-1720 classic procedures, to achieve the 1720 almost all the functions, procedures for the preparation of standards

本原程序基于8051F020,目的是掌握点阵液晶显示器的原理，电路设计及编程方法-Based on the primitive procedures 8051F020, aim is to grasp the principle of dot-matrix liquid crystal displays, circuit design and programming method

msp430f449的文件， 很有用的-MSP430F449 document very useful

常用嵌入式IC的型号，各厂家的都有。-commonly used embedded IC models, the manufacturers have.

24c08驱动程序 本程序用于驱动atm公司生产的i2c――24c08 程序给出了出口和入口-24c08 driver of the procedures used to drive atm company"s i2c-- 24c08 procedures given import and export

飞思卡尔单片机用PDIUSBD12和电脑通信，包括通用驱动，周立功的easyd12.dll和自写的VB测试程序控制B口上的两个小灯 用I/O口模拟总线和PDIUSBD12数据交换-frescale Microcontroller with PDIUSBD12 and computer communications, including general-purpose-driven, ZLG easyd12.dll and self-written by the VB test program control port B on the two small lamps with I/O port analog bus and PDIUSBD12 data exchange

从RS232到PROFIBUS-DP的转换接口设计（终）.rar-from RS232 to PROFIBUS-DP Interface Design (end). Rar

SN75176,用51系列的单片机，波特率为9600，串口方式1，发送数据-SN75176

C8051F310部分模块程序.已经调试成功-C8051F310 part of module procedures. Has successfully debug