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參數(shù)資料
| 型號(hào)： | ISP1122 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Universal Serial Bus stand-alone hub |
| 中文描述： | 通用串行總線獨(dú)立的樞紐 |
| 文件頁數(shù)： | 19/48頁 |
| 文件大?。?/td> | 1159K |
| 代理商： | ISP1122 |
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Philips Semiconductors
ISP1122
USB stand-alone hub
Product specification
Rev. 03 — 29 March 2000
19 of 48
9397 750 07002
Philips Electronics N.V. 2000. All rights reserved.
9.4.5
Get port status
The hub returns 4 bytes. The first 2 bytes contain the port status bits (wPortStatus,
see
Table 20
). The last 2 bytes hold the port status change bits (wPortChange, see
Table 21
).
Table 20: Get port status response (wPortStatus)
Bit #
Function
0
current connect status
Value
0
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
Description
no device present
device present on this port
port disabled
port enabled
port not suspended
port suspended
no overcurrent condition
overcurrent condition detected
reset not asserted
reset asserted
-
port powered off
port power on
full-speed device attached
low-speed device attached
-
1
port enabled/disabled
2
suspend
3
overcurrent indicator
4
reset
5 to 7
8
reserved
port power
9
low-speed device attached
10 to 15
reserved
Table 21: Get port status response (wPortChange)
Bit #
Function
0
connect status change
Value
0
1
0
1
0
1
Description
no change in current connect status
current connect status changed
no port error
port disabled by a port error
no change in suspend status
resume complete
no change in overcurrent status
overcurrent indicator changed
no change in reset status
reset complete
-
1
port enabled/disabled
change
2
suspend change
3
overcurrent indicator change 0
1
0
1
0
4
reset change
5 to 15
reserved
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| ISP1122BD | Universal Serial Bus stand-alone hub |
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| ISP1122NB | Universal Serial Bus stand-alone hub |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1122A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub |
| ISP1122ABD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub |
| ISP1122AD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub |
| ISP1122ANB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub |
| ISP1122BD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub |
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