isp1122 NXP Semiconductors, isp1122 Datasheet - Page 13

• Manufacturer Part Number: isp1122
• Description: Isp1122 Universal Serial Bus Stand-alone Hub
• Manufacturer: NXP Semiconductors

Table 7:
[1]
[2]
[3]
Table 8:
Philips Semiconductors
9397 750 07002
Product specification
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
Request name
Descriptor
Get Hub Descriptor
Feature
Clear Hub Feature
(C_LOCAL_POWER)
Clear Port Feature
(feature selectors)
Set Port Feature
(feature selectors)
Device address: 0 to 127.
Returned value in bytes.
MSB specifies endpoint direction: 0 = OUT, 1 = IN. The ISP1122 accepts either value.
Standard USB requests
Hub specific requests
9.2 Hub specific requests
bmRequestType
byte 0 [7:0]
(Bin)
X000 0000
X000 0010
X000 0000
X000 0010
1000 0000
1000 0001
1000 0010
1000 0010
0000 0000
1000 0001
X000 0001
1000 0010
bmRequestType
byte 0 [7:0]
(Bin)
1010 0000
X010 0000
X010 0011
X010 0011
In
unsupported requests.
port features.
Table 8
…continued
the supported hub specific requests are listed, as well as some
bRequest
byte 1
(Hex)
01
01
03
03
00
00
00
00
07
0A
0B
0C
bRequest
byte 1
(Hex)
06
01
01
03
Rev. 03 — 29 March 2000
Table 9
wValue
byte 2, 3
(Hex)
01, 00
00, 00
01, 00
00, 00
00, 00
00, 00
00, 00
00, 00
XX, XX
00, 00
XX, XX
00, 00
wValue
byte 2, 3
(Hex)
00, 00/29
00, 00
feature
feature
provides the feature selectors for setting or clearing
[3]
[3]
, 00 port
, 00 port
[1]
wIndex
byte 4, 5
(Hex)
00, 00
81, 00
00, 00
81, 00
00, 00
00, 00
00/80
81, 00
XX, XX
XX, XX
XX, XX
XX, XX
wIndex
byte 4, 5
(Hex)
00, 00
00, 00
[4]
[4]
[3]
, 00
, 00
, 00
wLength
byte 6, 7
(Hex)
00, 00
00, 00
00, 00
00, 00
02, 00
02, 00
02, 00
02, 00
XX, XX
01, 00
00, 00
02, 00
wLength
byte 6, 7
(Hex)
length
00, 00
00, 00
00, 00
USB stand-alone hub
[2]
, 00
© Philips Electronics N.V. 2000. All rights reserved.
ISP1122
Data
none
none
none
none
device status
zero
endpoint 0
status
endpoint 1
status
descriptor;
STALL
STALL
STALL
STALL
Data
hub descriptor
none
none
none
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