如果你想学习C51的越快，这个资源也许会给你一个帮手。

单片机AT90S系列 制作简易USB接口（软件模拟,无usb硬件）。doc- Monolithic integrated circuit AT90S series manufacture simple USB connection (software simulation, non- usb hardware). Doc

C51编写的用ＩＯ脚模拟串口的源程序,供初学者参考-C51 prepared by serial IO pin analog source, the reference for beginners

时钟程式，单片机开发，时间控制时钟，定时，报警-Clock program, microcontroller development, time control clock, timer, alarm

由"晓风"编写的PLD入门的好教材：pld.rar（中文PDF文档）-from "feng" prepared by the entry PLD good material : pld.rar (Chinese PDF)

一个电话报警系统源码 /*------------- 泰兴电子集团 ------------------ *---------------------------------------------- *文件名: Main.C *开发： www.at90s1200.go.nease.net *创建日期: 2004-6-30 16:19 *创建人： 尹刚 *功能: 主程序-a telephone warning system source /*------------- Taixing Electronics Group------------------*----------------------------------------------* File Name : Main.C* Developer : www. at90s1200.go.nease.net* Create Date : 2004-6-30 16:19* Created by :* gang functions : main program

这是一个单片机的简易汽车计费系统,是用在51单片机上的.这也是我的课程计.望指教.-This is a simple microcontroller car Billing System is used in 51 of the MCU. This is my curriculum. Look exhibitions.

usr lpc2148 develop usb hid

关于51单片机DS18B20的驱动程序，编译过，可以直接使用。-About 51 Singlechip DS18B20 driver, compiler, and can be used directly.

gb2312到unicode转换的文件，用在AVR里面估计占比较大的Flash空间-gb2312 to unicode conversion of documents, used in AVR inside the larger proportion is estimated Flash space