參數(shù)資料
型號(hào)： AT43312
廠商： Atmel Corp.
英文描述： Self- and Bus- Powered USB Hub Controller
中文描述： 自和總線供電的USB集線器控制器
文件頁(yè)數(shù)： 9/21頁(yè)
文件大?。?/td> 157K
代理商： AT43312
AT43312
9
Descriptors
The Hub Controller supports the following standard USB
descriptors: Device, Configuration, Interface, and Endpoint
Descriptors, as well as the class-specific Hub Descriptor.
All the obligatory Standard Requests and Hub Class-Spe-
Device Descriptor
The Device Descriptor provides general information about the AT43312 Hub.
cific Requests are supported by the AT43312’s Hub Con-
troller. The description is given for the self-powered mode
of operation. Unique parameters for the bus-powered mode
is given in case of differences.
Offset
Field
Description
Size (bytes)
Value
0
bLength
Define size of this descriptor = 18 bytes
1
0x12
1
bDescriptorType
Device descriptor type
1
0x01
2
bcdUSB
USB Spec. Release Number = Rev 1.0
2
0x00
0x01
4
bDeviceClass
Class code = HUB_CLASSCODE = 09
1
0x09
5
bDeviceSubClass
Subclass code
1
0x00
6
bDeviceProtocol
Protocol code
1
0x00
7
wMaxPacketSize0
Max. packet size for Endpoint0 = 8 bytes
1
0x08
8
idVendor
Vendor ID = Atmel Corporation
2
0xEB
0x03
10
idProduct
Product ID = AT43312
2
0x12
0x33
12
bcdDevice
Device release number
Example :
Revision A0 : yy = 0x01, zz = 0x00
Revision B1 : yy = 0x02, zz = 0x01
2
0XZZ
0XYY
14
iManufacturer
Index of string descriptor describing manufacturer = not supported
1
0x00
15
iProduct
Index of string descriptor describing product = not supported
1
0x00
16
iSerialNumber
Index of string descriptor describing device's serial no. = not supported
1
0x00
17
bNumConfigurations
Number of possible configurations = 1
1
0x01
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43312(32DIP) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER
AT43312(32SOIC) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER
AT43312A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AT43312A [Updated 7/03. 27 Pages]
AT43312A_06 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Self- and Bus-Bus-powered USB Hub Controller
AT43312A-6AC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER
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