USB2.0集线器HUB
USB2.0集线器高速多TT描述符
2023-04-11
19
0
USB2.0集线器高速单TT设备描述符
| bLength | 12H |
|---|---|
| bDescriptorType | 1 |
| bcdUSB | 200H |
| bDeviceClass | HUB_CLASSCODE (09H) |
| bDeviceSubClass | 0 |
| bDeviceProtocol | 2 (multiple TTs) |
| bMaxPacketSize0 | 64 |
| bNumConfigurations | 1 |
USB2.0集线器高速多TT配置描述符
| bLength | 09H |
|---|---|
| bDescriptorType | 2 |
| wTotalLength | N |
| bNumInterfaces | 2 |
| bConfigurationValue | X |
| iConfiguration | Y |
| bmAttributes | Z |
| bMaxPower | 最大电流功率 |
USB2.0集线器高速多TT接口描述符
| 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)” |
