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): 29/53頁
文件大?。?/td> 270K
代理商: ISP1521
Philips Semiconductors
ISP1521
Hi-Speed USB hub controller
Product data
Rev. 03 — 24 November 2004
29 of 53
9397 750 13702
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
[2]
[3]
Device address: 0 to 127.
Returned value in bytes.
MSB specifies endpoint direction: 0 = OUT, 1 = IN. The ISP1521 accepts either value.
12.2 Hub class requests
Table 24
shows the hub class requests.
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
0000 0000
01
01, 00
00, 00
00, 00
none
0000 0010
01
00, 00
81, 00
00, 00
none
0000 0000
03
01, 00
00, 00
00, 00
none
0000 0010
03
00, 00
81, 00
00, 00
none
1000 0000
1000 0001
1000 0010
1000 0010
00
00
00
00
00, 00
00, 00
00, 00
00, 00
00, 00
00, 00
00/80, 00
[3]
81, 00
02, 00
02, 00
02, 00
02, 00
device status
zero
endpoint 0 status
endpoint 1 status
Table 23:
Standard USB 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 response
Table 24:
Hub class requests
Request
bmRequestType
byte 0
(bits 7 to 0)
bRequest
byte 1
(hex)
wValue
bytes 2, 3
(hex)
wIndex
bytes 4, 5
(hex)
wLength
bytes 6, 7
(hex)
Data
Descriptor
Get Hub Descriptor
1010 0000
06
descriptortype
and index
00, 00
length
[2]
descriptor
Feature
Clear Hub Feature
(C_LOCAL_POWER)
Clear Port Feature
Set Port Feature
Status
Get Hub Status
0010 0000
01
00, 00
00, 00
00, 00
none
0010 0011
0010 0011
01
03
feature
[3]
, 00
feature
[3]
, 00
port
[4]
, 00
port
[4]
, 00
00, 00
00, 00
none
none
1010 0000
00
00, 00
00, 00
04, 00
hub status and
change status
port status and
change status
Get Port Status
1010 0011
00
00, 00
port
[4]
, 00
04, 00
TT
ClearTTBuffer
0010 0011
08
Dev_Addr,
EP_nr
00, 00
01, 00
00, 00
none
ResetTT
0010 0000
09
01, 00
00, 00
none
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