參數(shù)資料
型號(hào): ISP1123
廠商: NXP Semiconductors N.V.
英文描述: Universal Serial Bus compound hub
中文描述: 通用串行總線復(fù)合樞紐
文件頁(yè)數(shù): 19/49頁(yè)
文件大?。?/td> 1155K
代理商: ISP1123
Philips Semiconductors
ISP1123
USB compound hub
Preliminary specification
Rev. 01 — 5 October 1999
19 of 49
9397 750 06325
Philips Electronics N.V. 1999. All rights reserved.
10.4.4
Get hub status
The hub returns 4 bytes, see
Table 19
.
10.4.5
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 19: Get hub status response
Bit #
Function
0
local power source
Value
0
1
0
1
0
0
1
Description
local power supply good
local power supply lost
no overcurrent condition
hub overcurrent condition detected
-
no change in local power status
local power status changed
no change in overcurrent condition
overcurrent condition changed
-
1
overcurrent indicator
2 to 15
16
reserved
local power status change
17
overcurrent indicator change 0
1
0
18 to 31
reserved
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1123BD 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1123D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1123NB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1130 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
ISP1130DL 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller