66PP22A SCM DTMF decoder procedures for communications DTMF decoder soft approac...

想在本站下个资料，上传自己做的一个东西来交换一下：单片机89C51在LCD12864上画曲线，proteus仿真，含源程序。-Would like information on the next site, upload your own things to do in exchange for a look: 89C51 Singlechip LCD12864 on the painting in the curve, proteus simulation, with source code.

包括读卡器源代码，专为研究RFID技术学习之用-Philips makes no warranty, expressed, implied or statutory, including but * not limited to any implied warranty of merchantability or fitness for any *particular purpose, or that the use will not infringe any third party patent,* copyright or trademark. Philips must not be liable for any loss or damage * arising from its use.

在单片机系统中实现4*4的小键盘的扫描程序，按键输出对应信号，可以根据按键来设定输出对应高低电平-Single-chip microcomputer system in the implementation of the 4* 4 keypad scanning procedures, the corresponding button output signal can be output in accordance with the corresponding button to set the high-low

对于没有i2c接口的单片机来说，要用标准i2c器件通讯来说只能通过软件模拟了 本程序提供几个最高效的函数实现其功能，新方法，更高效-For there is no single-chip interface for i2c, i2c devices use standard communications software simulation run only through the procedures provided by several of the most efficient function to achieve its function, new methods, more efficient

I2C总线基本操作函数,及几个对I2C总线接口器件24C04操作的函数。 -I2C bus basic operation function, and several of the I2C bus interface device to operate a function of 24C04.

51单片机串口通信汇编语言源代码，发送端和接收端的-51 Single-chip serial communication assembly language source code, the sending end and receiving end

单片机控制按键显示芯片HD7279A，现象左移两位显示，C言版.rar-SCM button display chip HD7279A, the phenomenon of the left two show, C made version. Rar

摘要：提出了一种基于单片机与AD9852的信号源的实现，重点介绍了单片机与AD9852硬件接口电路、AD9852串行工作流程以及宽带滤波器设计的关键技术。 关键词：AD9852；信号发生器；频率合成

usb接口应用文件供参考 usb接口应用文件供参考-usb interface application documents for reference us b interface application documents for reference

单片机最小系统，两位LED数码管由串口输出接两个164驱动，Lout,Rout为左右声道输出，SET， ALT0， ALT1为三个按键，也可自己在开始的I/O定义改成你想用的I/O口；12M晶振，若用89C51则只可装下约14首歌曲，用89C52则可装下近40曲-The smallest single-chip system, the two LED digital tube by the serial output driver 164 then two, Lout, Rout output for the left and right channels, SET, ALT0, ALT1 three buttons can also be their own at the beginning of the I/O definition change you want to use the I/O port 12M crystal, if one uses a 89C51 only loaded about 14 songs can be loaded with 89C52 under near 40