isp1520 NXP Semiconductors, isp1520 Datasheet - Page 27

• Manufacturer Part Number: isp1520
• Description: Hi-speed Universal Serial Bus Hub Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 24.
[1]
[2]
[3]
[4]
ISP1520_4
Product data sheet
Request
StopTT
Test modes
Test_J
Test_K
Test_SE0_NAK
Test_Packet
Test_Force_Enable
Returned value in bytes.
Feature selector value; see
Downstream port identifier: 1 to N where N is the number of enabled ports (2 to 4).
Returns vendor-specific data.
Hub class requests
11.3.1 Get configuration
11.3 Detailed responses to hub requests
Table 25.
This request returns the configuration value of the device. This request returns 1 B of
data; see
Feature selector name
C_HUB_LOCAL_POWER
C_HUB_OVER_CURRENT
PORT_CONNECTION
PORT_ENABLE
PORT_SUSPEND
PORT_OVER_CURRENT
PORT_RESET
PORT_POWER
PORT_LOW_SPEED
C_PORT_CONNECTION
C_PORT_ENABLE
C_PORT_SUSPEND
C_PORT_OVER_CURRENT
C_PORT_RESET
PORT_TEST
PORT_INDICATOR
bmRequestType
byte 0
(bits 7 to 0)
0010 0011
0010 0011
0010 0011
0010 0011
0010 0011
0010 0011
Table
…continued
25.
Table
Hub class feature selector
26.
bRequest
byte 1
(hex)
11
03
03
03
03
03
Rev. 04 — 28 April 2006
wValue
bytes 2, 3
(hex)
00, 00
15, 00
15, 00
15, 00
15, 00
15, 00
Recipient
hub
hub
port
port
port
port
port
port
port
port
port
port
port
port
port
port
wIndex
bytes 4, 5
(hex)
01, 00
port
port
port
port
port
[3]
[3]
[3]
[3]
[3]
, 01
, 02
, 03
, 04
, 05
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
wLength
bytes 6, 7
(hex)
00, 00
00, 00
00, 00
00, 00
00, 00
00, 00
Value
00
01
00
01
02
03
04
08
09
16
17
18
19
20
21
22
Data
none
none
none
none
none
none
ISP1520
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