ISP1521BEUM ST-Ericsson Inc, ISP1521BEUM Datasheet - Page 31

• 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

CD00222695
Product data sheet
11.3.6 Get port status
Table 30.
This request returns 4 bytes of data. The first word contains port status bits (wPortStatus),
and the next word contains port status change bits (wPortChange). The contents of
wPortStatus is given in
Table 31.
Table 32.
Bit
17
18 to 31
Bit
0
1
2
3
4
5 to 7
8
9
10
11
12
13 to 15
Bit
0
1
Function
connect status change
port enable or disable change
Function
current connect status
port enabled or disabled
suspend
overcurrent indicator
reset
reserved
port power
low-speed device attached
high-speed device attached
port test mode
port indicator control
reserved
Get hub status response
Get port status response (wPortStatus)
Get port status change response (wPortChange)
Function
reserved
overcurrent indicator change
Rev. 07 — 4 February 2010
Table
31, and the contents of wPortChange is given in
…continued
Value
0
1
0
Value
0
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
Value
0
1
0
1
Description
no change in overcurrent
overcurrent status has changed
-
Description
no device is present
a device is present on this port
port is disabled
port is enabled
port is not suspended
port is suspended
no overcurrent condition exists
an overcurrent condition exists
reset signaling is not asserted
reset signaling is asserted
-
port is in the powered-off state
port is not in the powered-off state
full-speed or high-speed device is
attached
low-speed device is attached
full-speed device is attached
high-speed device is attached
not in port test mode
in port test mode
displays default colors
displays software controlled color
-
Description
no change in the current connect status
change in the current connect status
port is disabled
port is enabled
Hi-Speed USB hub controller
© ST-ERICSSON 2010. All rights reserved.
ISP1521
Table
31 of 53
32.