AT43310 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT43310

USB Hub

Atmel Corporation 

AT43310

Port Change Field, wPortChange

Bit Description

Connect Status Change: C_PORT_CONNECTION

0

0 = No change has occurred on Current Connect status

1 = Current Connect Status has changed

Port Enable/Disable Change: C_PORT_ENABLE

1

0 = No change has occurred on Port Enabled/Disabled status

1 = Port Enabled/Disabled status has changed

Suspend Change: C_PORT_SUSPEND

2

0 = No change

1 = Resume complete

Over-Current Indicator Change: C_PORT_OVER_CURRENT

3

0 = No change has occurred on Over-Current indicator

1 = Over-Current indicator has changed

Reset Change: C_PORT_RESET

4

0 = No change

1 = Reset complete

5-15 Reserved. Always read as 0’s.

Get_Port_Status occurs if the setup packet from host is

decoded as:

Field

Value

bmRequestType

Byte 0

10100011B

bRequest

Byte 1

00H

wValue

Byte 2

00H

Byte 3

00H

wIndex

Byte 4

Byte 5

Port

Number

wLength

Byte 6

04H

Byte 7

00H

Set_Hub_Descriptor

The AT43310 has only one Hub Descriptor. Therefore the

AT43310 does not support this request. It will respond with

a STALL if the Setup packet from the Host is decoded as:

Field

Value

bmRequestType

Byte 0

00100000B

bRequest

Byte 1

07H

wValue

Byte 2

xxH

Byte 3

xxH

wIndex

Byte 4

xxH

Byte 5

xxH

wLength

Byte 6

xxH

Byte 7

xxH

Set_Hub_Feature

Set_Hub_Feature sets a value reported in the Hub status.

The status relates to the local power and over current. The

AT43310 is a bus powered hub and will respond with a

STALL if the setup packet from the Host is decoded as:

Field

Value

bmRequestType

Byte 0

x0100000B

bRequest

Byte 1

03H

wValue

Byte 2

xxH

Byte 3

xxH

wIndex

Byte 4

xxH

Byte 5

xxH

wLength

Byte 6

xxH

Byte 7

xxH

19

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