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參數(shù)資料
| 型號： | AT43310 |
| 廠商： | Atmel Corp. |
| 英文描述： | USB Hub |
| 中文描述： | USB集線器 |
| 文件頁數(shù)： | 17/25頁 |
| 文件大?。?/td> | 247K |
| 代理商： | AT43310 |
AT43310
17
Get_Hub_Status
Get_Hub_Status returns the current Hub status that has
changed since the previous acknowledgment of the setup
packet of the Host.
The Hub will returned two words of data as described in the
following two tables. Word0 is the Hub Status Field, wHub-
Status, and Word1 is the Hub Change Field, wHubChange.
Hub Status Field, wHubStatus
Hub Change Field, wHubChange
A Get_Hub_Status will occur if the setup packet is decoded
as:
Bit
Description
0
Local Power Status, indicates the state of the local power supply, set to 0.
1
Over-Current Indicator, indicates over-current condition on a global hub basis. AT43310 reports over current
condition on a per port basis therefore this bit is always read as 0
2-15
Reserved. Always read as 0’s
Bit
Description
0
Local Power Status Change, C_HUB_LOCAL_POWER, set to 0.
1
Over-Current Indicator Change, C_HUB_OVER_CURRENT, corresponds to bit 1 of wHubStatus. AT43310
reports over current condition on a per port basis and therefore this bit is always read as 0
2-15
Reserved. Always read as 0’s.
Field
Value
bmRequestType
Byte 0
10100000B
bRequest
Byte 1
00H
wValue
Byte 2
Byte 3
00H
00H
wIndex
Byte 4
Byte 5
00H
00H
wLength
Byte 6
Byte 7
04H
00H
相關PDF資料 |
PDF描述 |
|---|---|
| AT43311 | USB Hub |
| AT43312A-AC | Self- and Bus-Bus-powered USB Hub Controller |
| AT43312A-AU | Self- and Bus-Bus-powered USB Hub Controller |
| AT43312A-SC | Self- and Bus-Bus-powered USB Hub Controller |
| AT43312A-SU | Self- and Bus-Bus-powered USB Hub Controller |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AT433104AA | 制造商:LINPAC STORAGE SYSTEMS 功能描述:BLUE CONTAINER 25L |
| AT43311 | 制造商:Atmel Corporation 功能描述: |
| AT43312 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Self- and Bus- Powered USB Hub Controller |
| AT43312(32DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER |
| AT43312(32SOIC) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER |
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