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| LAN9730 Datasheet, PDF (43/222 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0 | |||
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LAN9730/LAN9730i
4.3.2.3 Get Descriptor
TABLE 4-18: FORMAT OF GET DESCRIPTOR SETUP STAGE
Offset
0h
1h
2h
4h
6h
bmRequestType
bRequest
wValue
wIndex
wLength
Field
Value
80h
06h
Note 4-16
Note 4-17
Length of descriptor
Note 4-16
Note 4-17
Selects descriptor type. The supported descriptors for this command are Device, Configuration, String,
Device Qualifier, and Other Speed Configuration.
Set to zero or Language ID.
Note: The Interface and Endpoint descriptors are not supported by this command. The UDC will stall these
requests.
4.3.2.4 Get Interface
TABLE 4-19: FORMAT OF GET INTERFACE SETUP STAGE
Offset
0h
1h
2h
4h
6h
bmRequestType
bRequest
wValue
wIndex
wLength
Field
TABLE 4-20: FORMAT OF GET INTERFACE DATA STAGE
Offset
0h
Alternate Setting
Field
Note: The device only supports a single interface.
Value
81h
0Ah
00h
00h
01h
ï£ 2012-2015 Microchip Technology Inc.
DS00001946A-page 43
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