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A high-speed capable device that has different device information for full-speed and high-speed must have a Device Qualifier Descriptor ...

The units are expressed in frames, thus this equates to either 1ms for low/full speed devices and 125us for high speed devices. String Descriptors. String ...

2020/7/22 -Therefore, USB High Speed comes at a price and is only implemented if the device becomes more useful due to the higher speeds. Share.

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2024/1/17 -A device might report different information in its device descriptor when the device is connected to the host computer in a high speed capacity ...

2023/11/10 -Every USB device must have one device descriptor ... descriptor tables can be found in the USB specifications. ... Detecting a High Speed USB Device ...

Descriptor Types-Device Descriptor-Interface Descriptor

For full-/high-speed isochronous endpoints, this value must be in the range from 1 to 16. · For full-/low-speed interrupt endpoints, the value of this field may ...

2021/4/1 -The USB_DEVICE_QUALIFIER_DESCRIPTOR structure is used by USB client drivers to retrieve a USB-defined device qualifier descriptor.

BOS Descriptor Device Capability Type Codes ; 01H, Defines the set of Wireless USB-specific device level capabilities, Wireless USB Specification, Revision 1.1 - ...

The actual descriptor which is fetched by a GET_DESCRIPTOR request is determined by the high byte of the wValue word in the SETUP data. So the request we call ...


Full Speed USB (USBFS)

PDF
  1. https://www.infineon.com
  2. dgdl
  3. Infineon-Compo...
PDF
  1. https://www.infineon.com
  2. dgdl
  3. Infineon-Compo...

The USBFS Component provides access to endpoint descriptor fields in the Device Descriptor tab. You may instantiate multiple endpoint descriptor instances under ...