GL850 View Datasheet(PDF) - Genesys Logic
Part Name
Description
MFG CO.
'GL850' PDF : 40 Pages View PDF
GL850 USB 2.0 4-Port HUB Controller
5.4.1.4 Interface Descriptor
Interface Descriptor follows Configuration Descriptor for GET_DESCRIPTOR (CONFIGURATION)
command.
Table 5.7 - Interface Descriptor for Full Speed
Offset
Field
0 bLength
1 bDescriptorType
2 bIerfaceNumber
3 bAlternateSetting
4 bNumEndpoints
5 bInterfaceClass
6 bInterfaceSubClass
7 bInterfaceProtocol
8 iInterface
Value
Description
09h 9 bytes for this descriptor
04h Interface descriptor type
00h Interface number
00h Alternate setting
01h Number of endpoints
09h Hub class code
00h Subclass code
00h Protocol code
00h Index of string descriptor
I/O
EEPROM
Configuration Configuration
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-
-
-
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-
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-
5.4.1.5 Endpoint Descriptor
Endpoint Descriptor follows Interface Descriptor for GET_DESCRIPTOR (CONFIGURATION) command.
Table 5.8 - Endpoint Descriptor for Full Speed
Offset
Field
0 bLength
1 bDescriptorType
2 bEpointAddress
3 bAttribute
4 wMaxPacketSize
6 bInterval
Value
Description
07h 7bytes for this descriptor
05h Endpoint descriptor type
81h Address of the endpoint
03h Interrupt endpoint
0001h
Max. packet size of the
endpoint
ffh Polling interval (ms)
I/O
EEPROM
Configuration Configuration
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-
-
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-
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©2000-2003 Genesys Logic Inc.—All rights reserved.
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