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參數(shù)資料
| 型號： | ISP1123 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Universal Serial Bus compound hub |
| 中文描述： | 通用串行總線復合樞紐 |
| 文件頁數(shù)： | 18/49頁 |
| 文件大小： | 1155K |
| 代理商： | ISP1123 |
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Philips Semiconductors
ISP1123
USB compound hub
Preliminary specification
Rev. 01 — 5 October 1999
18 of 49
9397 750 06325
Philips Electronics N.V. 1999. All rights reserved.
[1]
Unicode encoded string.
10.4 Hub responses
This section describes the hub responses to requests from the USB host.
10.4.1
Get device status
The hub returns 2 bytes, see
Table 16
.
10.4.2
Get configuration
The hub returns 1 byte, see
Table 17
.
10.4.3
Get interface status
The hub returns 2 bytes, see
Table 18
.
String descriptor (2): product string
0
bLength
1
bDescriptorType
2
bString
1
1
14
10
03
UC
[1]
descriptor length = 16 bytes
type = STRING
“ISP1122”
Table 15: String descriptors
…continued
String descriptors are optional and therefore disabled by default; they can be enabled through
an external EEPROM.
Offset
(bytes)
(bytes)
(Hex)
Field name
Size
Value
Comments
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
-
相關PDF資料 |
PDF描述 |
|---|---|
| ISP1123D | Universal Serial Bus compound hub |
| ISP1123NB | Universal Serial Bus compound hub |
| ISP1130 | Universal Serial Bus compound hub with integrated keyboard controller |
| ISP1130DL | Universal Serial Bus compound hub with integrated keyboard controller |
| ISP1130N | Universal Serial Bus compound hub with integrated keyboard controller |
相關代理商/技術參數(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 |
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