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參數資料
| 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： | 16/49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
16 of 49
9397 750 06325
Philips Electronics N.V. 1999. All rights reserved.
[1]
[2]
Selected by input SP/BP.
Value in units of 2 mA.
Table 11: Configuration descriptor
Values in square brackets are optional.
Offset
(bytes)
0
bLength
1
bDescriptorType
2
wTotalLength
Field name
Size
(bytes)
1
1
2
Value
(Hex)
09
02
19, 00
Comments
descriptor length = 9 bytes
type = CONFIGURATION
total length of configuration, interface
and endpoint descriptors (25 bytes)
one interface
configuration value = 1
no configuration string
self-powered with remote wake-up
[1]
bus-powered with remote wake-up
[1]
100 mA (default)
0 mA (using an external EEPROM)
500 mA (using an external EEPROM)
4
5
6
7
bNumInterfaces
bConfigurationValue
iConfiguration
bmAttributes
1
1
1
1
01
01
00
E0
A0
32
[00]
[FA]
8
MaxPower
[2]
1
Table 12: Interface descriptor
Offset
(bytes)
0
bLength
1
bDescriptorType
2
bInterfaceNumber
3
bAlternateSetting
4
bNumEndpoints
5
bInterfaceClass
6
bInterfaceSubClass
7
bInterfaceProtocol
8
bInterface
Field name
Size
(bytes)
1
1
1
1
1
1
1
1
1
Value
(Hex)
09
04
00
01
01
09
00
00
00
Comments
descriptor length = 9 bytes
type = INTERFACE
-
no alternate setting
status change (interrupt) endpoint
HUB_CLASSCODE
-
no class-specific protocol
no interface string
Table 13: Endpoint descriptor
Offset
(bytes)
0
bLength
1
bDescriptorType
2
bEndpointAddress
3
bmAttributes
4
wMaxPacketSize
6
bInterval
Field name
Size
(bytes)
1
1
1
1
2
1
Value
(Hex)
07
05
81
03
01, 00
FF
Comments
descriptor length = 7 bytes
type = ENDPOINT
endpoint 1, direction: IN
interrupt endpoint
packet size = 1 byte
polling interval (255 ms)
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 |
參數描述 |
|---|---|
| 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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