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參數(shù)資料
| 型號： | ISP1123BD |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | CAP .068UF 100V PPS FILM ECH-S |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP32 |
| 封裝： | 7 X 7 X 1.40 MM, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 17/49頁 |
| 文件大小： | 1155K |
| 代理商： | ISP1123BD |
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Philips Semiconductors
ISP1123
USB compound hub
Preliminary specification
Rev. 01 — 5 October 1999
17 of 49
9397 750 06325
Philips Electronics N.V. 1999. All rights reserved.
[1]
ISP1123 always reports power management status on an individual basis, even for ganged/global
modes. This is compliant with USB Specification Rev. 1.1
Condition with no overcurrent detection is reported to the host.
Value in units of 2 ms.
[2]
[3]
Table 14: Hub descriptor
Values in square brackets are optional.
Offset
(bytes)
0
bDescLength
1
bDescriptorType
2
bNbrPorts
Field name
Size
(bytes)
1
1
1
Value
(Hex)
09
29
05 to 02 number of enabled downstream ports;
selectable by DP/DM strapping
0D, 00
individual power switching
[1]
,
overcurrent protection active
(modes 0, 1, 3, 4, 5, 7), hub is part of a
compound device
15, 00
individual power switching
[1]
, no
overcurrent protection (modes 2, 6)
[2]
,
hub is part of a compound device
32
100 ms (default; modes 0, 1, 2, 4, 5, 6)
00
0 ms (default; modes 3, 7)
[FA]
500 ms (using an external EEPROM;
modes 0, 1, 2, 4, 5, 6); see
Table 23
64
maximum hub controller current
(100 mA)
02
port 1 is non-removable
FF
must be all ones for compatibility with
USB Specification Rev. 1.0
Comments
descriptor length = 9 bytes
type = HUB
3
wHubCharacteristics
2
5
bPwrOn2PwrGood
[3]
1
6
bHubContrCurrent
1
7
8
DeviceRemovable
PortPwrCtrlMask
1
1
Table 15: String descriptors
String descriptors are optional and therefore disabled by default; they can be enabled through
an external EEPROM.
Offset
(bytes)
(bytes)
(Hex)
String descriptor (0): language ID string
0
bLength
1
04
1
bDescriptorType
1
03
2
bString
2
09, 04
String descriptor (1): manufacturer string
0
bLength
1
2E
1
bDescriptorType
1
03
2
bString
44
UC
[1]
Field name
Size
Value
Comments
descriptor length = 4 bytes
type = STRING
LANGID code zero
descriptor length = 46 bytes
type = STRING
“Philips Semiconductors”
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISP1123 | Universal Serial Bus compound hub |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| ISP1130N | 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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