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USB OTG(On-The-Go)是USB2.0规范的补充,它使外设可以在无主机参与的情况下直接互连进行通信。本文讨论了USBOTG补充规范的新增特性,包括OTG事务请求协议SRP和主机流通协议HNP、连接器和电缆、两用OTG设备和外设式OTG设备、驱动程序以及数据流模型。
USB OTG (On-The-Go) is a supplement to the USB 2.0 specification, which allows peripherals to communicate directly with each other without the need for a host to participate. This article discusses the additional features of the USBOTG Supplement specification, including the OTG Transaction Request Protocol (SRP) and Host Convergence Protocol (HNP), connectors and cables, dual-purpose OTG devices and peripheral OTG devices, drivers, and data flow models.