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參數資料
型號: ISP1122BD
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Universal Serial Bus stand-alone hub
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-358-1, LQFP-32
文件頁數: 18/48頁
文件大小: 1159K
代理商: ISP1122BD
Philips Semiconductors
ISP1122
USB stand-alone hub
Product specification
Rev. 03 — 29 March 2000
18 of 48
9397 750 07002
Philips Electronics N.V. 2000. All rights reserved.
9.4 Hub responses
This section describes the hub responses to requests from the USB host.
9.4.1
Get device status
The hub returns 2 bytes, see
Table 16
.
9.4.2
Get configuration
The hub returns 1 byte, see
Table 17
.
9.4.3
Get interface status
The hub returns 2 bytes, see
Table 18
.
9.4.4
Get hub status
The hub returns 4 bytes, see
Table 19
.
Table 16: Get device status response
Bit #
Function
0
self-powered
Value
0
1
0
1
0
Description
bus-powered
self-powered
no remote wake-up
remote wake-up enabled
-
1
remote wake-up
2 to 15
reserved
Table 17: Get configuration response
Bit #
Function
0
configuration value
Value
0
1
0
Description
device not configured
device configured
-
1 to 7
reserved
Table 18: Get interface status response
Bit #
Function
0 to 15
reserved
Value
0
Description
-
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
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相關代理商/技術參數
參數描述
ISP1122D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub
ISP1122NB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub
ISP1123 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
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
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