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LAN9500AI Datasheet(PDF) 38 Page - Microchip Technology

Part # LAN9500AI
Description  LAN950x USB 2.0 to 10/100 Ethernet Controller
PDF  213 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9500AI Datasheet(HTML) 38 Page - Microchip Technology

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LAN950x
DS00001875A-page 38
 2010 - 2015 Microchip Technology Inc.
5.3.2.3
Get Descriptor
Note 5-17
Selects descriptor type. The support descriptors for this command are Device, Configuration, String,
Device Qualifier, and Other Speed Configuration.
Note 5-18
Set to zero or Language ID.
5.3.2.4
Get Interface
TABLE 5-17:
FORMAT OF GET CONFIGURATION DATA STAGE
Offset
Field
0h
Returns bConfigurationValue
TABLE 5-18:
FORMAT FOR GET DESCRIPTOR SETUP STAGE
Offset
Field
Value
0h
bmRequestType
80h
1h
bRequest
06h
2h
wValue
Note 5-17
4h
wIndex
Note 5-18
6h
wLength
Length of descriptor
Note:
The Interface and Endpoint descriptors are not supported by this command. The UDC will stall these
requests.
TABLE 5-19:
FORMAT OF GET INTERFACE SETUP STAGE
Offset
Field
Value
0h
bmRequestType
81h
1h
bRequest
0Ah
2h
wValue
00h
4h
wIndex
00h
6h
wLength
01h
TABLE 5-20:
GET INTERFACE DATA STAGE
Offset
Field
0h
Alternate Setting
Note:
The device only supports a single interface.



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