飞思卡尔智能车源代码，光电组的，有注解。适合初学者-Freescale' s Smart car source code, optoelectronics group, there are comments. Suitable for beginners

这是非常全的AVR单片机系列的器件定义头文件，对应用AVR芯片进行编程的人应该必须珍藏的哦！-It s very usefull for the person of studying AVR