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參數(shù)資料
| 型號(hào)： | MC141555 |
| 廠商： | Motorola, Inc. |
| 英文描述： | USB Hub Controller CMOS |
| 中文描述： | USB集線器控制器的CMOS |
| 文件頁(yè)數(shù)： | 8/16頁(yè) |
| 文件大小： | 280K |
| 代理商： | MC141555 |
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MC141555
8
MOTOROLA
DESCRIPTOR
The Hub Controller supports the following standard USB descriptors and one Hub specific descriptor.
Table2. Device Descriptor
Table 3. Configuration Descriptor
Offset
Field
Size
Value
Description
0
bLength
1
12h
No. of bytes in this descriptor = 18
1
bDescriptorType
1
01h
Device descriptor type
2
bcdUSB
2
0100h
USB Spec. Release Number = Rev 1.00
4
bDeviceClass
1
09h
Class code
5
bDeviceSubClass
1
00h
Subclass code
6
bDeviceProtocol
1
00h
Protocol code
7
wMaxPacketSize0
1
08h
Max. packet size for Endpoint 0 = 8
8
idVendor
2
1063h
Vendor ID = Motorola Corporation (assigned by USB)
10
idProduct
2
1555h
Product ID = MC141555
12
bcdDevice
2
0100h
Device Release No. = 1.00
14
iManufacturer
1
00h
Manufacturer string descriptor = Open
15
iProduct
1
00h
Product string descriptor = Open
16
iSerialNumber
1
00h
Serial Number string = Open
17
bNumConfigurations
1
01h
No. of possible configurations = 1
Offset
Field
Size
Value
Description
0
bLength
1
09h
No. of bytes in this descriptor = 9
1
bDescriptorType
1
02h
Configuration descriptor type
2
wTotalLength
2
0019h
Total length of data returned for this configuration. Includes con-
figuration, interface, endpoint, and class specific descriptors
4
bNumInterfaces
1
01h
No. of interfaces supported in this configuration = 1
5
bConfigurationValue
1
01h
Value to use as an argument to select this configuration =1
6
iConfiguration
1
00h
Index of string descriptor describing this configuration
7
bmAttributes
1
60h/A0h
Configuration characteristics
60h: SelfPowered, RemoteWakeup
A0h: BusPowered, RemoteWakeup
8
MaxPower
1
01/FAh
Maximum power consumption of USB device from the bus:
01h: 2mA when self-powered
FAh: 500mA when bus-powered
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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