ISP1520BD ST-Ericsson Inc, ISP1520BD Datasheet - Page 22

• Manufacturer Part Number: ISP1520BD
• Description: IC, CONTROLLER, USB HUB, 64-LQFP
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1520BD

• Usb Type: USB Peripheral Controller
• Usb Version: 2.0
• Data Rate: 480Mbps
• No. Of Ports: 5
• Supply Voltage Range: 3V To 3.6V, 4.5V To 5.5V
• Digital Ic Case Style: QFP
• No. Of Pins: 64
• Package / Case: LQFP
• Applications: USB Hub/Microcontroller
• Interface: I²C
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-1168; ISP1520BD,557

10. Descriptors
Table 15.
CD00222694
Product data sheet
Offset
(bytes)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Field name
bLength
bDescriptorType
bcdUSB
bDeviceClass
bDeviceSubClass
bDeviceProtocol
bMaxPacketSize0
idVendor
idProduct
bcdDevice
iManufacturer
iProduct
iSerialNumber
bNumConfigurations 01
Device descriptor
Table 14.
The ISP1520 hub controller supports the following standard USB descriptors:
The hub returns descriptors based on the mode of operation: full-speed or high-speed.
Bit
0
1 to 4
5 to 7
•
•
•
•
•
•
•
Device
Device_qualifier
Other_speed_configuration
Configuration
Interface
Endpoint
Hub
09
00
00
40
00
01
02
03
Value (hex)
Full-speed
12
01
00
02
CC
04
20
15
02
Name
Hub Status Change
Port n Status Change
-
Status Change byte: bit allocation
High-speed
12
01
00
02
09
00
01
40
CC
04
20
15
00
02
01
02
03
01
Rev. 07 — 13 April 2010
Value
0
1
0
1
-
Comments
descriptor length = 18 B
type = DEVICE
refer to Universal Serial Bus Specification Rev. 2.0
HUB_CLASSCODE
HubSubClassCode
HubProtocolHSpeedOneTT
packet size = 64 B
ST-Ericsson vendor ID (04CC); can be customized
the ISP1520 product ID; can be customized
device ID; can be customized
can be customized
can be customized
can be customized; this value must be unique
one configuration
Description
no change in the hub status
change in the hub status detected
no change in the status of port n (n = 1 to 4)
change in the status of port n (n = 1 to 4)
not used
Hi-Speed USB hub controller
© ST-ERICSSON 2010. All rights reserved.
ISP1520
22 of 51