gl850 ETC-unknow, gl850 Datasheet - Page 31

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

5.4.1.8 Endpoint Descriptor combined with Other Speed Configuration Descriptor
Other Speed Endpoint Descriptor is in combination after Other Speed Interface Descriptor for the command
GET_DESCRIPTOR (OTHER_SPEED_CONFIGURATION).
5.4.1.9 String Descriptor
©2000-2003 Genesys Logic Inc.—All rights reserved.
String Descriptor is replied for the command GET_DESCRIPTOR (STRING). Generally, one string
contains the information for manufacturer and the other contains the information for the product. These
strings can be configured in EERPOM. GL850 will read the data in the EEPROM to respond to the host.
The information in the following table are the default settings of Genesys Logic Inc.
Offset
Offset
Offset
0
1
2
3
4
6
0
1
2
0
1
2
bLength
bDescriptorType
bEpointAddress
bAttribute
wMaxPacketSize
bInterval
bLength
bDescriptorType
wLangid
bLength
bDescriptorType
bString
Table 5.11 - Other Speed Endpoint Descriptor for Full Speed
Field
Field
Field
Table 5.12 - String Index0 for Full Speed
Table 5.13 - String Index1 for Full Speed
Unicode encoded manufacture
string-USB2.0 Hub as default
setting
Value
0001h
Value
Value
0409 Language : English
0Ch
07h
05h
81h
03h
04h
03h
16h
03h
7bytes for this descriptor
Endpoint descriptor type
Address of the endpoint
Interrupt endpoint
Max. packet size of the
endpoint
Polling interval =
(2
4 bytes for this descriptor
String descriptor type
16 bytes for this descriptor
String descriptor type
12
-1) X 125 us
Description
Description
Description
GL850 USB 2.0 4-Port HUB Controller
Configuration
Configuration
Configuration
I/O
I/O
I/O
-
-
-
-
-
-
-
-
-
-
-
-
Configuration
Configuration
Configuration
EEPROM
EEPROM
EEPROM
Y
Y
Y
-
-
-
-
-
-
-
-
-
Page 31