參數(shù)資料
型號(hào)： AT43310
廠商： Atmel Corp.
英文描述： USB Hub
中文描述： USB集線器
文件頁(yè)數(shù)： 20/25頁(yè)
文件大?。?/td> 247K
代理商： AT43310
AT43310
20
Set_Port_Feature
Set_Port_Feature sets a value reported in the Hub Control-
ler’s port status. The AT43310 supports all USB required
features. Note that only the relevant Set Port commands
are supported (see SET_PORT Features Table). For
example, the PORT_LOW_SPEED value is determined by
the operation of the port of the attached device. Upon an
invalid request (e.g. a Set_PORT request for
PORT_LOW_SPEED), the AT43310 will return a STALL
status to the host.
SET_PORT Features Table
The status relates to the port features as listed in the Port
Feature Table. AT43310 will respond to Set Port Feature
command if the setup packet from the Host is decoded as:
Port Feature Selector Table
Port Feature
ClearPort
Feature
SetPort
Feature
PORT_CONNECTION
N
N
PORT_ENABLE
Y
Y
PORT_SUSPEND
Y
Y
PORT_OVER_CURRENT
Y
N
PORT_RESET
N
Y
PORT_POWER
Y
Y
PORT_LOW_SPEED
N
N
Field
Value
bmRequestType
Byte 0
x0100011B
bRequest
Byte 1
03H
wValue
Byte 2
Byte 3
See Port Feature
Selector Table
wIndex
Byte 4
Byte 5
Port
Number
wLength
Byte 6
Byte 7
00H
00H
Feature
Value
PORT_ENABLE
01H
PORT_SUSPEND
02H
PORT_RESET
04H
PORT_POWER
08H
C_PORT_ENABLE
11H
C_PORT_SUSPEND
12H
C_PORT_RESET
14H
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