Philips ISP1521 ユーザーズマニュアル
Philips Semiconductors
ISP1521
Hi-Speed USB hub controller
Product data
Rev. 03 — 24 November 2004
30 of 53
9397 750 13702
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
Returns vendor-specific data.
[2]
Returned value in bytes.
[3]
Feature selector value; see
.
[4]
Downstream port identifier: 1 to N with N is number of enabled ports (2 to 7).
12.3 Detailed responses to hub requests
12.3.1
Get configuration
This request returns the configuration value of the device. This request returns one
byte of data; see
byte of data; see
.
GetTTState
1010 0011
10
TT-flags
01, 00
TT state
StopTT
0010 0011
11
00, 00
01, 00
00, 00
none
Test modes
Test_J
0010 0011
03
15, 00
port
00, 00
none
Test_K
0010 0011
03
15, 00
port
00, 00
none
Test_SE0_NAK
0010 0011
03
15, 00
port
00, 00
none
Test_Packet
0010 0011
03
15, 00
port
00, 00
none
Test_Force_Enable
0010 0011
03
15, 00
port
00, 00
none
Table 24:
Hub class requests
…continued
Request
bmRequestType
byte 0
(bits 7 to 0)
byte 0
(bits 7 to 0)
bRequest
byte 1
(hex)
byte 1
(hex)
wValue
bytes 2, 3
(hex)
bytes 2, 3
(hex)
wIndex
bytes 4, 5
(hex)
bytes 4, 5
(hex)
wLength
bytes 6, 7
(hex)
bytes 6, 7
(hex)
Data
Table 25:
Hub class feature selector
Feature selector name
Recipient
Value
C_HUB_LOCAL_POWER
hub
00
C_HUB_OVER_CURRENT
hub
01
PORT_CONNECTION
port
00
PORT_ENABLE
port
01
PORT_SUSPEND
port
02
PORT_OVER_CURRENT
port
03
PORT_RESET
port
04
PORT_POWER
port
08
PORT_LOW_SPEED
port
09
C_PORT_CONNECTION
port
16
C_PORT_ENABLE
port
17
C_PORT_SUSPEND
port
18
C_PORT_OVER_CURRENT
port
19
C_PORT_RESET
port
20
PORT_TEST
port
21
PORT_INDICATOR
port
22