我改了一部分别人的USB,原来的不方便看逻辑，改了后逻辑清楚一些...

一个75HZ铃流实时检测程序，灵敏度很高，可以用于电话来电铃流检测。-a 75HZ bell flow real-time detection procedures, high sensitivity, can be used for phone calls Chu flow detection.

CANbus程序设计，这个例程好像是关于空调的，CAN主要用于汽车电子-CANbus programming, the routines seemed to be on the air-conditioned, CAN mainly for automotive electronics

ch451键盘LED管理芯片的驱动程序,很好用的,设计很标准的代码-ch451 keyboard LED chip management of the driver, the good design is the standard code

这是一个很好的学习工程，对于初学都是一个难得的好资料，完整！-This is a good learning project for the beginner is a rare good information, complete!

让数码管的亮度一致,原代码是运行在AT89S52上,12MHz-The brightness of the digital control line, the original code is run on AT89S52 on, 12MHz

单片机源程序三位依次显示动态扫描的例子，可以通用-SCM source 3 shows were dynamic scanning example, generic

功能： 1、作为下位机采集8255数据并将此数据通过通讯送出，传输十路 2、采集数据为BCD，不处理后 3、通讯采用方式一-Features: 1, as under the 8255-bit machine data collection and data communications sent through the transmission path 2, 10, collecting data for the BCD, not after 3, means of communication using a

24位高精度A转换芯片 AD7710 源码 已成功用于液压自动控制系统五年-24 high-precision A conversion chip AD7710 source has been successfully used for hydraulic automatic control system for five years

相关富士通单片机实用资料-Fujitsu MCU related practical information