*\r
* - In device mode, it may be disabled at start-up, enabled on the firing of the \ref EVENT_USB_Connect() event\r
* and disabled again on the firing of the \ref EVENT_USB_Disconnect() event.\r
*\r
* - In host mode, it may be disabled at start-up, enabled on the firing of the \ref EVENT_USB_DeviceAttached()\r
*\r
* - In device mode, it may be disabled at start-up, enabled on the firing of the \ref EVENT_USB_Connect() event\r
* and disabled again on the firing of the \ref EVENT_USB_Disconnect() event.\r
*\r
* - In host mode, it may be disabled at start-up, enabled on the firing of the \ref EVENT_USB_DeviceAttached()\r