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參數資料
型號: ISP1122A
廠商: NXP Semiconductors N.V.
英文描述: Universal Serial Bus stand-alone hub
中文描述: 通用串行總線獨立的樞紐
文件頁數: 15/48頁
文件大小: 1150K
代理商: ISP1122A
Philips Semiconductors
ISP1122A
USB stand-alone hub
Preliminary specification
Rev. 01 — 27 March 2000
15 of 48
9397 750 06986
Philips Electronics N.V. 2000. All rights reserved.
9.3 Descriptors
The ISP1122A hub controller supports the following standard USB descriptors:
Device
Configuration
Interface
Endpoint
Hub
String.
Table 10: Device descriptor
Values in square brackets are optional.
Offset
(bytes)
0
bLength
1
bDescriptorType
2
bcdUSB
4
bDeviceClass
5
bDeviceSubClass
6
bDeviceProtocol
7
bMaxPacketSize0
8
idVendor
Field name
Size
(bytes)
1
1
2
1
1
1
1
2
Value
(Hex)
12
01
10, 01
09
00
00
40
CC, 04
Comments
descriptor length = 18 bytes
type = DEVICE
USB Specification Rev. 1.1
HUB_CLASSCODE
-
-
packet size = 64 bytes
Philips Semiconductors vendor ID
(04CC); can be customized using an
external EEPROM (see
Table 23
)
ISP1122A product ID; can be
customized using an external
EEPROM (see
Table 23
)
device release 1.1; silicon revision
increments this value
no manufacturer string (default)
manufacturer string enabled
(using an external EEPROM)
no product string (default)
product string enabled
(using an external EEPROM)
no serial number string
one configuration
10
idProduct
2
22, 11
12
bcdDevice
2
01, 01
14
iManufacturer
1
00
[01]
15
iProduct
1
00
[02]
16
17
iSerialNumber
bNumConfigurations
1
1
00
01
相關PDF資料
PDF描述
ISP1122ABD Universal Serial Bus stand-alone hub
ISP1122AD Universal Serial Bus stand-alone hub
ISP1122ANB Universal Serial Bus stand-alone hub
ISP1122 Universal Serial Bus stand-alone hub
ISP1122BD Universal Serial Bus stand-alone hub
相關代理商/技術參數
參數描述
ISP1122ABD 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub
ISP1122AD 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub
ISP1122ANB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub
ISP1122BD 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub
ISP1122D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus stand-alone hub
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