at43312 ATMEL Corporation, at43312 Datasheet - Page 16

• Manufacturer Part Number: at43312
• Description: Self- And Bus- Powered Usb Hub Controller
• Manufacturer: ATMEL Corporation

Set_Hub_Descriptor
The AT43312 has one Hub Descriptor only and therefore
does not support this request. It will respond with a STALL.
Set_Hub_Feature
Sets a value reported in the Hub status. The status relates
to the local power and over-current. AT43312 does not
support this request and will respond with a STALL.
Port Feature Selector Table
16
Feature
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
AT43312
Value
16
17
18
19
20
0
1
2
3
4
8
9
Set_Port_Feature
This request changes the status of a port according to
which port feature the request addressess. Not all the pos-
sible port features are supported because some have no
meaning. Port features supported by the Set_Port_Feature
r e q u e s t a r e : P O R T _ E N A B L E , P O R T _ S U S P E N D ,
PORT_REST and PORT_POWER. A request with an
unsupported feature, or if Port0 or a port higher than Port4
is addressed, will cause the hub to respond with a STALL.