isp1521 NXP Semiconductors, isp1521 Datasheet - Page 32

• Manufacturer Part Number: isp1521
• Description: Hi-speed Universal Serial Bus Hub Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 33.
ISP1521_4
Product data sheet
Request name
Get device
descriptor
Get configuration
descriptor
Get language ID
string descriptor
Get manufacturer
string descriptor
Get product string
descriptor
Get serial number
string descriptor
Get descriptor request
11.4 Various get descriptors
wValue
Descriptor index
00
00
00
01
02
03
Table 32.
bmRequestType — 1000 0000b
bmRequest — GET_DESCRIPTOR = 6
Bit
2
3
4
5 to 15
Function
suspend change
overcurrent indicator change
reset change
reserved
Get port status change response (wPortChange)
Descriptor type
01
02
03
03
03
03
Rev. 04 — 30 March 2006
wIndex
Zero/language ID
0
0
0
n
n
n
Value
0
1
0
1
0
1
0
Description
no change
resume complete
no change in the overcurrent indicator
change in the overcurrent indicator
no change
reset complete
-
Data
device descriptor
configuration interface and
endpoint descriptors
language ID support string
manufacturer string in LANGID n
product string in LANGID n
serial number string in LANGID n
…continued
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
ISP1521
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