ISP1521BE ST-Ericsson Inc, ISP1521BE Datasheet - Page 27

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ISP1521BE

Manufacturer Part Number
ISP1521BE
Description
IC USB HUB CONTROLLER HS 80-LQFP
Manufacturer
ST-Ericsson Inc
Datasheet

Specifications of ISP1521BE

Controller Type
USB Hub
Interface
I²C
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Other names
568-1170
ISP1521BE,557

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Philips Semiconductors
Table 19.
Table 20.
Table 21.
[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
Offset
(bytes)
0
1
2
3
4
5
6
7
8
Value in units of 2 ms.
Field name
bLength
bDescriptorType
bInterfaceNumber
bAlternateSetting
bNumEndpoints
bInterfaceClass
bInterfaceSubClass
bInterfaceProtocol
bInterface
Field name
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize
bInterval
Field name
bDescLength
bDescriptorType
bNbrPorts
wHubCharacteristics
bPwrOn2PwrGood
bHubContrCurrent
DeviceRemovable
PortPwrCtrlMask
Interface descriptor
Endpoint descriptor
Hub descriptor
[1]
Value (hex)
Full-speed
09
04
00
00
01
09
00
00
00
Value (hex)
Full-speed
07
05
81
03
01
00
FF
Value (hex)
Full-speed
09
29
07
06
05
04
03
02
A9
00
32
00
64
00
FF
High-speed
09
29
07
06
05
04
03
02
A9
00
32
00
64
00
FF
High-speed
09
04
00
00
01
09
00
00
00
High-speed
07
05
81
03
01
00
0C
Rev. 04 — 30 March 2006
Comments
descriptor length = 7 B
type = ENDPOINT
endpoint 1 at address number 1
interrupt endpoint
packet size = 1 B
polling interval
Comments
descriptor length = 9 B
type = HUB
number of enabled downstream facing ports; selectable by
the DP/DM strapping
see
ganged or individual mode = 100 ms
no power switching mode = 0 ms
-
seven downstream facing ports, no embedded port
-
Comments
descriptor length = 9 B
type = INTERFACE
-
no alternate setting
status change (interrupt) endpoint
HUB_CLASSCODE
HubSubClassCode
-
no interface string descriptor
Table 22
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
ISP1521
26 of 55

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