Hub descriptors are derived from the general USB device framework. Hub descriptors define a hub device and the ports on that hub. The host accesses hub descriptors through the hub...
A device descriptor describes general information about a USB device. It includes information that applies globally to the device and all of the device’s configurations. A USB dev...
An interface descriptor never includes endpoint zero in the number of endpoints. Table 9-9 shows the standard interface descriptor. 9.6.3 InterfaceThis descriptor describes a spe...
Chapter 11 Hub Specification第 11 章 集线器规范 This chapter describes the architectural requirements for the USB hub. It contains a description of the two principal sub-blocks: the Hub...
9.6 Standard USB Descriptor Definitions The standard descriptors defined in this specification may only be modified or extended by revision of the Universal Serial Bus Specifica...