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DM9621 Datasheet(PDF) 44 Page - Davicom Semiconductor, Inc.

Part # DM9621
Description  USB2.0 to 10/100M Fast Ethernet Controller
PDF  66 Pages
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Manufacturer  DAVICOM [Davicom Semiconductor, Inc.]
Direct Link  http://www.davicom.com.tw
Logo DAVICOM - Davicom Semiconductor, Inc.

DM9621 Datasheet(HTML) 44 Page - Davicom Semiconductor, Inc.

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DM9621
USB2.0 to Fast Ethernet Controller
Preliminary
44
Version: DM9621 -14-DS-P02
February 23, 2011
Configuration0 Descriptor/9-Byte
Offset
Field
Size
Value
Description
0
bLength
1
09H
Size of descriptors
1
bDescriptorType
1
02H
CONFIGURATION Descriptor Type
2
wTotalLength
2
0027H Total descriptor length
4
bNumInterfaces
1
01H
Number of interfaces
5
bConfigurationValue
1
01H
Value of this configuration
6
iConfiguration
1
00H
Index of string descriptor for configuration
7
bmAttributes
1
A(8)0H Configuration characteristics
D7:Reserved (set to 1)
D6: Self-powered
D5: Remote WakeUp
0: if REG00H bit 6 is “0”
1: if REG00H bit 6 is “1”
D4: Reserved ( reset to 0)
8
MaxPower
1
3CH
Maximum power, 2mA units (fm EEP)
Interface0 Descriptor/9-Byte
Offset
Field
Size
Value
Description
0
bLength
1
09H
Size of this descriptor
1
bDescriptorType
1
04H
INTERFACE Descriptor Type
2
bInterfaceNumber
1
00H
Number of interface
3
bAlternateSetting
1
00H
Value used to select alternate setting
4
bNumEndpoints
1
03H
Number of ednpoints
5
bInterfaceClass
1
00H
Class code
6
bInterfaceSubClass
1
00H
SunClass code
7
bInterfaceProtocol
1
00H
Protocol code
8
iInterface
1
00H
Index of string for this interface



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