Product manual

Spinpoint M9TU-USB 3.0 Product Manual REV 1.0
75
USB INTERFACE AND USB COMMANDS
6.4.2.2 Configuration Descriptor (Table 6-22)
Table 6-22: Bulk Only Transport Configuration Descriptor
6.4.2.3 Interface Descriptor
The device shall support at least one interface, known herein as the Bulk-Only Data Interface. The Bulk-Only
Data Interface uses three endpoints.
Composite mass storage devices may support additional interfaces, to provide other features such as audio or
video capabilities. This specification does not define such interfaces.
The interface may have multiple alternate settings. The host shall examine each of the alternate settings to
look for the bInterfaceProtoco (50h) l and bInterfaceSubClass(06h) it supports optimally. (Table 6-23)
Table 6-23: Bulk Only Data Interface Descriptor