isp1521 NXP Semiconductors, isp1521 Datasheet - Page 25

• Manufacturer Part Number: isp1521
• Description: Hi-speed Universal Serial Bus Hub Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 16.
Table 17.
Table 18.
[1]
ISP1521_4
Product data sheet
Offset
(bytes)
0
1
2
3
4
5
6
7
8
Offset
(bytes)
0
1
2
3
4
5
6
7
8
Offset
(bytes)
0
1
2
3
4
5
6
7
8
Value in units of 2 mA.
Field name
bLength
bDescriptorType
bcdUSB
bDeviceClass
bDeviceSubClass
bDeviceProtocol
bMaxPacketSize0
bNumConfigurations 01
Field name
bLength
bDescriptorType
wTotalLength
bNumInterfaces
bConfigurationValue 01
iConfiguration
bmAttributes
bMaxPower
Field name
bLength
bDescriptorType
wTotalLength
bNumInterfaces
bConfigurationValue 01
iConfiguration
bmAttributes
bMaxPower
Device_qualifier descriptor
Other_speed_configuration descriptor
Configuration descriptor
[1]
Value (hex)
Full-speed
0A
06
00
02
09
00
00
40
Value (hex)
Full-speed
09
07
19
00
01
00
E0
A0
00
Value (hex)
Full-speed
09
02
19
00
01
00
E0
00
High-speed
0A
06
00
02
09
00
01
40
01
High-speed
09
02
19
00
01
01
00
E0
00
High-speed
09
07
19
00
01
01
00
E0
A0
00
Rev. 04 — 30 March 2006
Comments
descriptor length = 9 B
type = CONFIGURATION
total length of configuration, interface and endpoint
descriptors = 25 B
one interface
configuration value = 1
no configuration string descriptor
self-powered
self-powered
Comments
descriptor length = 10 B
type = DeviceQualifierType
refer to Universal Serial Bus Specification Rev. 2.0
HUB_CLASSCODE
HubSubClassCode
HubProtocolHSpeedOneTT
packet size = 64 B
number of configurations
Comments
descriptor length = 9 B
type = OtherSpeedConfigurationType
TotalConfByte
-
-
no string supported
self-powered
others
self-powered
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
ISP1521
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