上海复旦微电子感应IC卡读写芯片FM1702SL读写程序

自己在keil51中用C实现了一个电子钢琴展览项目，cpu用P89V51RD2，完全自己写的代码-Keil51 with C in the realization of an electronic piano exhibitions, cpu use P89V51RD2, completely write their own code. .

PID-REGULATOR FUNCTION "C" SOURCE CODE

C8051F040/// /////应用SMBUS实现内存互访主机程序-C8051F040//////// application SMbus realize mutual visits by the host program memory

51单片机写的程控滤波器，是07年电子大赛的 很多功能没有实现 望高人改正-51 single-chip microcomputer program written filter, is the e-Competition in 2007 did not materialize, many functions of an expert look correct

DDS9851的PDF大家有需要就下载 还有中文文档-U.S. DDS9851 the PDF there is a need to download the document there are Chinese

keil和proteus联调实例-闪灯程序,希望对大家学习单片机有用.-keil and proteus FBI examples- flashing process, everyone would like to study single-chip useful.

51单片机串口数据包收发程序，能一次收发多个字节，可跟据需要自行修改字节长度，并且具有接收超时判断功能。-51 Single-chip serial data packets to send and receive procedures, can send and receive more than one byte can be modified according to the needs of self-byte length, and have to receive overtime to determine function.

飞思卡尔12的定时器功能，能实现周期的定时，12定时器的基本功能-Freescale 12 timer function, can achieve cycle time, the basic functions of the timer 12

快速傅里叶变换在单片机中的实现,可用来显示生音波形

ic卡读写方式和内容，程序的模块化可用，比较方便，还可以-IC card reader formats and contents, procedures can be modular, more convenient, but also