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Компоненты Описание

производитель

ISP1123BD

Universal Serial Bus compound hub

Philips Electronics 

Philips Semiconductors

ISP1123

USB compound hub

Table 21: Get port status response (wPortChange)

Bit #

Function

Value Description

0

connect status change

0

no change in current connect status

1

current connect status changed

1

port enabled/disabled

0

no port error

change

1

port disabled by a port error

2

suspend change

0

no change in suspend status

1

resume complete

3

overcurrent indicator change 0

no change in overcurrent status

1

overcurrent indicator changed

4

reset change

0

no change in reset status

1

reset complete

5 to 15 reserved

0

-

10.4.6 Get configuration descriptor

The hub returns 25 bytes containing the configuration descriptor (9 bytes, see

Table 11), the interface descriptor (9 bytes, see Table 12) and the endpoint descriptor

(7 bytes, see Table 13).

10.4.7 Get device descriptor

The hub returns 18 bytes containing the device descriptor, see Table 10.

10.4.8 Get hub descriptor

The hub returns 9 bytes containing the hub descriptor, see Table 14.

10.4.9 Get string descriptor (0)

The hub returns 4 bytes containing the language ID, see Table 15.

10.4.10 Get string descriptor (1)

The hub returns 46 bytes containing the manufacturer name, see Table 15.

10.4.11 Get string descriptor (2)

The hub returns 16 bytes containing the product name, see Table 15.

9397 750 06325

Preliminary specification

Rev. 01 — 5 October 1999

© Philips Electronics N.V. 1999. All rights reserved.

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