ISP1130DL Philips Semiconductors, ISP1130DL Datasheet - Page 20

• Manufacturer Part Number: ISP1130DL
• Description: Universal Serial Bus compound hub with integrated keyboard controller
• Manufacturer: Philips Semiconductors

Philips Semiconductors
9397 750 06895
Objective specification
8.4.5 Get port status
8.4.6 Get configuration descriptor
8.4.7 Get device descriptor
The hub returns 4 bytes. The first 2 bytes contain the port status bits (wPortStatus,
see
Table
Table 18: Get port status response (wPortStatus)
Table 19: Get port status response (wPortChange)
The hub returns 25 bytes containing the configuration descriptor (9 bytes, see
Table
(7 bytes, see
The hub returns 18 bytes containing the device descriptor, see
Bit #
0
1
2
3
4
5 to 7
8
9
10 to 15
Bit #
0
1
2
3
4
5 to 15
Table
19).
9), the interface descriptor (9 bytes, see
18). The last 2 bytes hold the port status change bits (wPortChange, see
Function
current connect status
port enabled/disabled
suspend
overcurrent indicator
reset
reserved
port power
low-speed device attached
reserved
Function
connect status change
port enabled/disabled
change
suspend change
overcurrent indicator change 0
reset change
reserved
Table
Rev. 01 — 23 March 2000
11).
USB compound hub with keyboard controller
Value
0
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
Value
0
1
0
1
0
1
1
0
1
0
Table
Description
no device present
device present on this port
port disabled
port enabled
port not suspended
port suspended
no overcurrent condition
overcurrent condition detected
reset not asserted
reset asserted
-
port powered off
port power on
full-speed device attached
low-speed device attached
-
Description
no change in current connect status
current connect status changed
no port error
port disabled by a port error
no change in suspend status
resume complete
no change in overcurrent status
overcurrent indicator changed
no change in reset status
reset complete
-
10) and the endpoint descriptor
© Philips Electronics N.V. 2000. All rights reserved.
Table
ISP1130
8.
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