gl850 ETC-unknow, gl850 Datasheet - Page 30

• Manufacturer Part Number: gl850
• Description: Usb 2.0 4-port Hub Controller
• Manufacturer: ETC-unknow

5.4.1.6 Other Speed Configuration Descriptor
5.4.1.7 Interface Descriptor combined with Other Speed Configuration Descriptor
©2000-2003 Genesys Logic Inc.—All rights reserved.
An USB2.0 hub returns Other Speed Configuration Descriptor for the command GET_DESCRIPTOR
(OTHER_SPEED_CONFIGURATION). An USB2.0 host will issue this command when the hub plugged is
an USB2.0 hub.
Other Speed Interface Descriptor is in combination after Other Speed Configuration Descriptor for the
command GET_DESCRIPTOR (OTHER_SPEED_CONFIGURATION).
Offset
Offset
0
1
2
4
5
6
7
8
0
1
2
3
4
5
6
7
8
bLength
bDescriptorType
wTotalLength
bNumberInterface
bConfigurationValue
iConfiguration
bmAttribute
bMaxPower
bLength
bDescriptorType
bIerfaceNumber
bAlternateSetting
bNumEndpoints
bInterfaceClass
bInterfaceSubClass
bInterfaceProtocol
iInterface
Table 5.9 - Other Speed Configuration Descriptor for Full Speed
Field
Field
Table 5.10 - Other Speed Interface Descriptor for Full Speed
Value
Value
E0h
09h
07h
19h
01h
01h
00h
32h
09h
04h
00h
00h
01h
09h
00h
00h
00h
9 bytes for this descriptor
Other speed descriptor
type
Total 25 bytes
Number of interfaces
Configuration value
Index of string descriptor
Can switch between self
power and bus power
Max. power = 100 mA
9 bytes for this descriptor
Interface descriptor type
Interface number
Alternate setting
Number of endpoints
Hub class code
Subclass code
Single TT
Index of string descriptor
Description
Description
GL850 USB 2.0 4-Port HUB Controller
Configuration
Configuration
I/O
I/O
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Configuration
Configuration
EEPROM
EEPROM
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Page 30