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參數(shù)資料
| 型號： | USB20H04 |
| 廠商： | SMSC Corporation |
| 英文描述： | 4-PORT USB2.0 HUB CONTROLLER |
| 中文描述： | 4端口USB2.0集線器控制器 |
| 文件頁數(shù)： | 33/38頁 |
| 文件大?。?/td> | 919K |
| 代理商： | USB20H04 |
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4-Port USB2.0 Controller
Datasheet
SMSC USB20H04
Page 33
Revision 1.63 (10-14-04)
DATASHEET
OFFSET
FULL
SPEED
HIGH
SPEED
FIELD NAME
DESCRIPTION
4
01h
01h**
bNumInterfaces
Number of interfaces supported by this
configuration
Value to use to select configuration.
5
01h
01h
bConfigurationValue
6
00h
00h
iConfiguration
Index of string descriptor describing this
configuration (string not supported)
7
user/
signal
(Bitmap)
user
(mA)
user/
signal
(Bitmap)
user
(mA)
bmAttibutes
Same as Configuration Descriptor
8
bMaxPower
Same as Configuration Descriptor
* Same as Configuration Descriptor
** 02h for multiple-TT
Table 9.5 - Standard Interface Descriptor
OFFSET
FULL
SPEED
09h
HIGH
SPEED
09h
FIELD NAME
DESCRIPTION
0
bLength
bDescriptorType
bInterfaceNumber
Size of this descriptor in bytes
1
2
04h
00h
04h
00h
INTERFACE Descriptor Type
Number of this interface
Value used to select this alternate setting for the
interface
3
00h
00h
bAlternateSetting
4
01h
01h
bNumEndpoints
Number of endpoints used by this interface (not
including endpoint 0)
5
6
09h
00h
09h
00h
bInterfaceClass
bInterfaceSubClass
Class code assigned by USB for Hubs
Subclass code assigned by USB
7
00h
01h*
bInterfaceProtcol
Protocol code assigned by USB
8
00h
00h
bInterface
Index of string descriptor describing this
configuration (string not supported)
* 02h for multiple-TT
Table 9.6 - Standard Endpoint Descriptor
OFFSET
FULL
SPEED
07h
HIGH
SPEED
07h
FIELD NAME
DESCRIPTION
0
bLength
bDescriptorType
bEndpointAddress
Size of this descriptor in bytes
1
2
05h
81h
05h
81h
ENDPOINT Descriptor Type
The address of the endpoint on the USB device.
Describes the endpoint's attributes (interrupt
only, no synchronization, data endpoint).
3
03h
03h
bmAttributes
4,5
6
0001h
FFh
0001h
0Ch
wMaxPacketSize
bInterval
Maximum packet size for this endpoint
Interval for polling endpoint for data transfers.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| USB20H04-JD | 制造商:SMSC 功能描述:LAN HUB CONTROLLER, 64 Pin, QFP |
| USB20H04-JT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| USB20H04-JT-E6 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| USB20X2GY | 制造商:Hubbell Wiring Device-Kellems 功能描述:Hubbell USB20X2GY NEMA 5-15R AC Duplex Receptacle w/2USB Ports - Gray 20 amp 制造商:Hubbell Wiring Device-Kellems 功能描述:USB CHARGER RECEPTACLE, 20A, 125VAC, GREY; Connector Type:Electrical AC Receptacle, USB Charger; Series:-; Current Rating:20A; Connector Color:Grey; Connector Body Material:-; Voltage Rating VAC:125V |
| USB20X2I | 制造商:Hubbell Wiring Device-Kellems 功能描述:Hubbell USB20X2I NEMA 5-15R AC Duplex Receptacle w/2USB Ports - Ivory 20 amp 制造商:Hubbell Premise Wiring 功能描述:USB CHARGER RECEPTACLE 20A 1 制造商:Hubbell Wiring Device-Kellems 功能描述:USB CHARGER RECEPTACLE, 20A, 125VAC, IVO 制造商:Hubbell Wiring Device-Kellems 功能描述:USB CHARGER RECEPTACLE, 20A, 125VAC, IVORY; Connector Type:Electrical AC Receptacle, USB Charger; Series:-; Current Rating:20A; Connector Color:Ivory; Connector Body Material:-; Voltage Rating VAC:125V |
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