说明：  atmel公司AVR带can接口控制器的编程指南，PDF格式，指导你如何编写CANBUS通讯程序。（如何初始化can，如何编写atmel can控制器的中断服务程序）。 　是不可多得的好教程，atmel公司canbus这方面的编程资料网上很难找的。
(Atmel Corporation AVR band can interface controller programming guide, PDF format, to guide you how to prepare CANBUS communication procedures. (How to initialize can, how to write controller atmel can interrupt service routine). Is a rare good tutorial, atmel company CANBUS programming information in this regard it is very difficult to find online.)