USB2.0集线器高速多TT描述符
2023-04-11
378
0
bLength
12H
bDescriptorType
1
bcdUSB
200H
bDeviceClass
HUB_CLASSCODE (09H)
bDeviceSubClass
0
bDeviceProtocol
2 (multiple TTs)
bMaxPacketSize0
64
bNumConfigurations
1
bLength
09H
bDescriptorType
2
wTotalLength
N
bNumInterfaces
2
bConfigurationValue
X
iConfiguration
Y
bmAttributes
Z
bMaxPower
最大电流功率
bLength
09H
bDescriptorType
4
bInterfaceNumber
0
bAlternateSetting
0
bNumEndpoints
1
bInterfaceClass
HUB_CLASSCODE (09H)
bInterfaceSubClass
0
bInterfaceProtocol
1 (single TT)
iInterface
i
USB2.0集线器高速多TT端点描述符
bLength
07H
bDescriptorType
5
bEndpointAddress
“Implementation-dependent;Bit 7: Direction = In(1)”
bmAttributes
“Transfer Type = Interrupt(00000011B)”
wMaxPacketSize
Implementation-dependent
bInterval
“FFH (Maximum allowable interval)”
USB2.0集线器高速多TT接口描述符
bLength
09H
bDescriptorType
4
bInterfaceNumber
0
bAlternateSetting
1
bNumEndpoints
1
bInterfaceClass
HUB_CLASSCODE (09H)
bInterfaceSubClass
0
bInterfaceProtocol
2 (multiple TT)
iInterface
i
USB2.0集线器高速多TT端点描述符
bLength
07H
bDescriptorType
5
bEndpointAddress
“Implementation-dependent;Bit 7: Direction = In(1)”
bmAttributes
“Transfer Type = Interrupt(00000011B)”
wMaxPacketSize
Implementation-dependent
bInterval
“FFH (Maximum allowable interval)”
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