USB官方协议文档，包含 |USB3.1AppendixERev1.0.pdf |USB3.1SpecificationWelcomeMessage-Oct2014.pdf |USB3_0AdoptersAgreementFinal_020411.pdf |USB_3_1_r1.0.pdf |USB_OTG_and_EH_3-0_release_1_1_10May2012.pdf | +---SuperSpeedInter-Chip(SSIC) |SuperSpeed_Inter-Chip_Su