* USB interface should be initialized in low speed (1.5Mb/s) mode.\r
*\r
* \note Low Speed mode is not available on all USB AVR models.\r
+ * \n\n\r
*\r
* \note Restrictions apply on the number, size and type of endpoints which can be used\r
* when running in low speed mode -- refer to the USB 2.0 standard.\r