自己编的C51串口，主要是协议，希望对大家有帮助

12864显示程序（AVR串行接口），包括浮点数字显示功能-12864 display program (AVR serial interface), including floating-point digital display

IC卡燃气表设计.pdf(73页的论文)----本文设 计了一个以预付为目的的IC卡燃气表。设计的题目来源于和一家苏州燃气表生产企业的项目合作，该项目主要包括IC卡燃气表、IC卡写卡器及售气管理系统三个部分。本人作为开发小组的成员之一，负责了IC卡燃气表的开发工作。-IC card gas meter design. Pdf (73 pages of paper )---- This article is designed for the purpose of a prepaid IC card gas meter. The title comes from the design, and a gas meter manufacturing enterprises in Suzhou project cooperation, the project mainly include IC card gas meter, IC card smart card device and the sale of gas management system in three parts. As a member of the development team is responsible for the IC card gas meter of the development.

关于c51单片机硬件系统设计原则的电子文档，有助于帮助大家掌握系统设计方法！-on SCM decoder hardware system design principles of electronic documents, We help the master system design!

SPI使用范例，SPI和AVR单片机的通信和DS1302的通信-SPI usage examples, SPI and AVR microcontroller communication and DS1302 communication

一种实现载波监听多点接入／冲突检测的多主RS485总线-A carrier sense realize multi-point access/Collision Detection RS485 multi-master bus

使用51单片机用算法的方式来产生SPWM的程序-Use 51 MCU way to use the algorithm to generate SPWM program

AD7705程序，基于AT89C52单片机-the program for ad7705，based on the AT89C52 mcu

用于Atmel单片机ISP下载的程序，该源码比起easy51更通俗易懂，且与easy51兼容，移植也容易。-for Atmel microcontroller ISP download procedures, the source easy51 more accessible than, but compatible with the easy51 transplant easily.

对16*2字符型点阵驱动的C51代码，已经在拓普微上测试通过。

飞利浦的80C552串口通信代码，可通过PC机完成对单片机的控制，并向上位机返回数据。-80C552 bunches of communication code of Philip, can finish the control on one-chip computer through the PC , and return to the data in the upward location machine.