用51单片机控制RTL8019AS实现以太网通讯,不错的东西，有需要的就下吧...

文件包含了开发motorola mc9s12uf32单片机一些源码。 　1、USB device 实现 　2、CF卡读取 　3、SD卡读取 　4、ATA硬盘读取-document contains a microcontroller development motorola mc9s12uf32 some source. A USB device to achieve two, three CF card read, SD Card Reader 4, ATA disk read

51开发板源程序,74HC595驱动显示程序.在该模块中，共有4位LED，采用74HC595驱动显示.-51 Development Board source, Bit-driven display program. In this module, A total of four LED, using 74 HC595-driven show.

基于51的单片机的PPP协议实现，源代码-51 Based on the SCM PPP protocol, the source code

RJ45接头的Protel PCB封装库-RJ45 connectors package Protel PCB Library

192*64_stn_ks108_液晶程序-192* 64_stn_ks108_ LCD procedures .......................

mega16,驱动开发板上的独立按键，按下不同的键，数码管显示0-3四个数字-MEGA16 KEY

一种基于单片机系统的多级菜单模块化编程．方便了菜单的加载与卸载,软件结构清晰,维护方便-SCM systems based on multi-level menus modular programming. To facilitate the loading and unloading of the menu, software, clear structure and easy maintenance

这是一个用C语言写的51单片机的51串口通信的程序，里面有非常详细的注释-This is a C language to write the MCU 51 of the 51 serial communication procedures, which are very detailed Notes

AT9200的bsp包，可以位嵌入式开发者提供较快的开发速度。-AT9200 the BSP kits, which could be embedded developers for faster development time.

自己搞的小东西，单片机控制NE2000兼容网卡的原代码，-their practice of the small things, the 8031 NE2000 compatible Ethernet control of the original code,