这是NEC系列单片机教材及应用,解压密码是:www.pp51.com

在笔记本电脑日益广泛的今天，usb口的下载线显得尤为重要。市面上售卖的usb下载线价格普遍偏高。因此自己动手做一个usb下载线不仅节约资金，更能增加动手能力。大家赶快来下载吧！-In an increasingly wide range of notebook computers today, usb port download cable seems particularly important. Download usb for sale on the market price generally high line. So make yourself a usb download cable not only save money, but also increase the practical ability. Everyone as soon as possible to download it!

用c语言实现PID算法的程序，在PID算法的使用过程中十分有用，只要自己修改一下参数，即可用于不同的控制领域。-Used to achieve PID algorithm c language procedure, use of the PID algorithm process very useful, as long as their own tinkering parameters, can be used for different control.

89C52单片机的底层代码,包括A/D,D/A转换,键盘,LED显示等-89C52 the underlying code, including A/D, D/A conversion, keyboard, LED display

又一个远程抄表系统程序，是电力线载波通信的，用汇编编写．-also a remote meter reading system procedures, the power line carrier communication with the preparation of the compilation.

这是一个音量控制IC，采用IIC通信方式，容易控制，价格便宜。-This is a volume control IC, the use of IIC communication, easy to control and cheaper prices.

u盘开发的源代码，fat16的文件系统源码，flash接口的源码-u set the development of source code, fat16 file system source code, flash interface source

便携式压力传感器，带usb口和ic存储卡的-portable pressure sensors, with USB port and memory card ic

flash　m25p80的读写程序，使用软件模拟SPI总线进行操作。-flash m25p80 of reading and writing, the use of software simulation of SPI bus operations.

GPL162001的A1600和A4800音频压缩格式演示程序

freescale MCF5485EVB开发板上中断操作示例，利用一个timer产生中断，另外3个timer作为GPIO，使3g个LED每隔1秒钟轮换亮一次。-freescale MCF5485EVB interrupt the operational example of the development board, using a timer generate an interrupt, another three timer as a GPIO, so 3g a LED light at one-second rotation time.