| LUFA Library 140302 |

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### - u -

- UnicodeString : USB_Descriptor_String_t
- Unit : HID_ReportItem_Attributes_t
- UnitID : USB_Audio_Descriptor_FeatureUnit_t
- Usage : HID_CollectionPath_t , HID_ReportItem_Attributes_t , HID_Usage_t
- USBSpecification : USB_Descriptor_Device_t , USB_Descriptor_DeviceQualifier_t
- UsingBootProtocol : USB_ClassInfo_HID_Host_t
- UsingReportIDs : HID_ReportInfo_t
- UsingReportProtocol : USB_ClassInfo_HID_Device_t