gl850 ETC-unknow, gl850 Datasheet - Page 29
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gl850
Manufacturer Part Number
gl850
Description
Usb 2.0 4-port Hub Controller
Manufacturer
ETC-unknow
Datasheet
1.GL850.pdf
(40 pages)
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5.4.1.4 Interface Descriptor
5.4.1.5 Endpoint Descriptor
©2000-2003 Genesys Logic Inc.—All rights reserved.
Endpoint Descriptor follows Interface Descriptor for GET_DESCRIPTOR (CONFIGURATION) command.
Interface Descriptor follows Configuration Descriptor for GET_DESCRIPTOR (CONFIGURATION)
command.
Offset
Offset
0
1
2
3
4
5
6
7
8
0
1
2
3
4
6
bLength
bDescriptorType
bIerfaceNumber
bAlternateSetting
bNumEndpoints
bInterfaceClass
bInterfaceSubClass
bInterfaceProtocol
iInterface
bLength
bDescriptorType
bEpointAddress
bAttribute
wMaxPacketSize
bInterval
Field
Field
Table 5.8 - Endpoint Descriptor for Full Speed
Table 5.7 - Interface Descriptor for Full Speed
Value
Value
0001h
09h
04h
00h
00h
01h
09h
00h
00h
00h
07h
05h
81h
03h
ffh
9 bytes for this descriptor
Interface descriptor type
Interface number
Alternate setting
Number of endpoints
Hub class code
Subclass code
Protocol code
Index of string descriptor
7bytes for this descriptor
Endpoint descriptor type
Address of the endpoint
Interrupt endpoint
Max. packet size of the
endpoint
Polling interval (ms)
Description
Description
GL850 USB 2.0 4-Port HUB Controller
Configuration
Configuration
I/O
I/O
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Configuration
Configuration
EEPROM
EEPROM
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Page 29