ISP1521BEUM ST-Ericsson Inc, ISP1521BEUM Datasheet - Page 26

• Manufacturer Part Number: ISP1521BEUM
• Description: IC USB HUB CONTROLLER HS 80-LQFP
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1521BEUM

• 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: 568-1884-2; ISP1521BE,518; ISP1521BE-T

Table 19.
Table 20.
Table 21.
[1]
CD00222695
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]
04
00
00
01
09
00
00
05
03
FF
Value (hex)
Full-speed
09
00
Value (hex)
Full-speed
07
81
01
00
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
Rev. 07 — 4 February 2010
0C
Comments
type = ENDPOINT
endpoint 1 at address number 1
interrupt endpoint
packet size = 1 byte
polling interval
Comments
descriptor length = 9 bytes
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
-
descriptor length = 7 bytes
Comments
descriptor length = 9 bytes
type = INTERFACE
-
no alternate setting
status change (interrupt) endpoint
HUB_CLASSCODE
HubSubClassCode
-
no interface string descriptor
Table 22
Hi-Speed USB hub controller
© ST-ERICSSON 2010. All rights reserved.
ISP1521
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