參數(shù)資料
型號: ISP1521
廠商: NXP Semiconductors N.V.
英文描述: Hi-Speed Universal Serial Bus hub controller
中文描述: 高速通用串行總線控制器樞紐
文件頁數(shù): 30/53頁
文件大小: 270K
代理商: ISP1521
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]
[2]
[3]
[4]
Returns vendor-specific data.
Returned value in bytes.
Feature selector value; see
Table 25
.
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
Table 26
.
GetTTState
StopTT
Test modes
Test_J
Test_K
Test_SE0_NAK
Test_Packet
Test_Force_Enable
1010 0011
0010 0011
10
11
TT-flags
00, 00
01, 00
01, 00
-
[1]
00, 00
TT state
none
0010 0011
0010 0011
0010 0011
0010 0011
0010 0011
03
03
03
03
03
15, 00
15, 00
15, 00
15, 00
15, 00
port
[4]
, 01
port
[4]
, 02
port
[4]
, 03
port
[4]
, 04
port
[4]
, 05
00, 00
00, 00
00, 00
00, 00
00, 00
none
none
none
none
none
Table 24:
Hub class requests
…continued
bmRequestType
byte 0
(bits 7 to 0)
Request
bRequest
byte 1
(hex)
wValue
bytes 2, 3
(hex)
wIndex
bytes 4, 5
(hex)
wLength
bytes 6, 7
(hex)
Data
Table 25:
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
Hub class feature selector
Recipient
hub
hub
port
port
port
port
port
port
port
port
port
port
port
port
port
port
Value
00
01
00
01
02
03
04
08
09
16
17
18
19
20
21
22
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