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參數(shù)資料
| 型號： | GL850 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | USB 2.0 4-PORT HUB Controller |
| 中文描述： | 個USB 2.0 4端口集線器控制器 |
| 文件頁數(shù)： | 33/40頁 |
| 文件大?。?/td> | 382K |
| 代理商： | GL850 |
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GL850 USB 2.0 4-Port HUB Controller
2000-2003 Genesys Logic Inc.—All rights reserved.
Page 33
5.4.2.2 Device Qualifier Descriptor
High Sped Device Qualifier Descriptor contains almost the same information as the Full Speed Device
Qualifier Descriptor, except that bDeviceProtocol value is 00h.
Table 5.16 - Device Qualifier for High Speed
Offset
Field
Value
Description
I/O
Configuration
EEPROM
Configuration
0
bLength
0Ah 10 bytes for this descriptor
Device qualifier descriptor
type
0200h USB2.0 compliance
-
-
1
bDescriptorType
06h
-
-
2
bcdUSB
-
-
4
bDeviceClass
09h
Hub class code
-
-
5
bDeviceSubClass
00h
Subclass code
-
-
6
bDeviceProtocol
00h
Protocol code
Max.
endpoint0 of other speed
Number
of
config.
Reserved for future use
-
-
7
bMaxPacketSize0
40h
packet
size
for
-
-
8
bNumConfigurations
01h
other
speed
-
-
9
bReserved
00h
-
-
5.4.2.3 Configuration Descriptor
Information contained in High Speed Configuration Descriptor is the same as Full Speed Configuration
Descriptor.
Table 5.17 - Configuration Descriptor for High Speed
Offset
Field
Value
Description
I/O
Configuration
EEPROM
Configuration
0
bLength
09h
9 bytes for this descriptor
Configuration descriptor
type
0019h Total 25 bytes
-
-
1
bDescriptorType
02h
-
-
2
wTotalLength
-
-
4
bNumberInterface
01h
Number of interfaces
-
-
5
bConfigurationValue
01h
Configuration value
-
-
6
iConfiguration
00h
Index of string descriptor
Can switch between self
power and bus power
Max. power = 100 mA
-
-
7
bmAttribute
E0h
-
-
8
bMaxPower
32h
-
-
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PDF描述 |
|---|---|
| GL8EG22 | LED LAMP |
| GL8HS22 | LED LAMP |
| GL8HD22 | LED LAMP |
| GL8HY22 | LED LAMP |
| GL8KG22 | LED LAMP |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| GL850A | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MNGXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MNNXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MSGXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MSNXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
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