參數(shù)資料
型號: ISP1520BD
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Hi-Speed Universal Serial Bus hub controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁數(shù): 31/51頁
文件大?。?/td> 259K
代理商: ISP1520BD
Philips Semiconductors
ISP1520
Hi-Speed USB hub controller
Product data
Rev. 02 — 04 May 2004
31 of 51
9397 750 11689
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
12.4 Various get descriptors
bmRequestType —
10000000B
bmRequest —
GET_DESCRIPTOR = 6
Table 32:
Bit
0
Get port status change response (wPortChange)
Function
connect status change
Value
0
1
0
1
0
1
0
1
0
1
0
Description
no change in the current connect status
change in the current connect status
port is enabled
port is disabled
no change
resume complete
no change in the overcurrent indicator
change in the overcurrent indicator
no change
reset complete
-
1
port enable or disable change
2
suspend change
3
overcurrent indicator change
4
reset change
5 to 15
reserved
Table 33:
Request name
Get descriptor request
wValue
Descriptor index
00
wIndex
Zero/Language ID
0
Data
Descriptor type
01
Get device
descriptor
Get configuration
descriptor
Get language ID
string descriptor
Get manufacturer
string descriptor
Get product string
descriptor
Get serial number
string descriptor
device descriptor
00
02
0
configuration interface and
endpoint descriptors
language ID support string
00
03
0
01
03
n
manufacturer string in LANGID n
02
03
n
product string in LANGID n
03
03
n
serial number string in LANGID n
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