Hub Specific Requests - Philips ISP1122A Product Data

Philips Semiconductors
Table 7: Standard USB requests
Request name
Feature
Clear Device Feature
(REMOTE_WAKEUP)
Clear Endpoint (1)
Feature (HALT/STALL)
Set Device Feature
(REMOTE_WAKEUP)
Set Endpoint (1)
Feature (HALT/STALL)
Status
Get Device Status
Get Interface Status
Get Endpoint (0) Status
Get Endpoint (1) Status
Unsupported
Set Descriptor
Get Interface
Set Interface
Synch Frame
[1] Device address: 0 to 127.
[2] Returned value in bytes.
[3] MSB specifies endpoint direction: 0 = OUT, 1 = IN. The ISP1122A accepts either value.
9.2 Hub specific requests
Table 8: Hub specific requests
Request name
Descriptor
Get Hub Descriptor
Feature
Clear Hub Feature
(C_LOCAL_POWER)
Clear Port Feature
(feature selectors)
Set Port Feature
(feature selectors)
9397 750 08958
Product data
...continued
bmRequestType bRequest
byte 0 [7:0] byte 1
(Bin) (Hex)
X000 0000 01
X000 0010 01
X000 0000 03
X000 0010 03
1000 0000 00
1000 0001 00
1000 0010 00
1000 0010 00
0000 0000 07
1000 0001 0A
X000 0001 0B
1000 0010 0C
In Table 8 the supported hub specific requests are listed, as well as some
unsupported requests.
port features.
bmRequestType bRequest
byte 0 [7:0] byte 1
(Bin) (Hex)
1010 0000 06
X010 0000 01
X010 0011 01
X010 0011 03
Rev. 03 — 30 October 2001
wValue wIndex
byte 2, 3 byte 4, 5
(Hex) (Hex)
01, 00 00, 00
00, 00 81, 00
01, 00 00, 00
00, 00 81, 00
00, 00 00, 00
00, 00 00, 00
00, 00 00/80
00, 00 81, 00
XX, XX XX, XX
00, 00 XX, XX
XX, XX XX, XX
00, 00 XX, XX
Table 9 provides the feature selectors for setting or clearing
wValue wIndex
byte 2, 3 byte 4, 5
(Hex) (Hex)
[1]
00, 00/29 00, 00
00, 00 00, 00
[3]
feature , 00 port
[3]
feature , 00 port
ISP1122A
USB stand-alone hub
wLength Data
byte 6, 7
(Hex)
00, 00 none
00, 00 none
00, 00 none
00, 00 none
02, 00 device status
02, 00 zero
[3]
, 00 02, 00 endpoint 0
status
02, 00 endpoint 1
status
XX, XX descriptor;
STALL
01, 00 STALL
00, 00 STALL
02, 00 STALL
wLength Data
byte 6, 7
(Hex)
[2]
length , 00 hub descriptor
00, 00 none
[4]
, 00 00, 00 none
[4]
, 00 00, 00 none
© Koninklijke Philips Electronics N.V. 2001. All rights reserved.
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