USB MultiSwitchTM Hub

Datasheet

7.1.4.40Register DEh: Port Assign Interface Configuration 3B (Reset = 0x00)

BIT

 

 

 

 

NUMBER

BIT NAME

 

 

DESCRIPTION

 

 

 

7:0

PORT_INT_3B

Port Assign Interface 3B: Determines the configuration of the hardware

 

 

interface configuration for the assignment of ports 3 & 4 to upstream hosts.

 

 

Bit [7:4] =

‘0000’

Port 4 is unassigned

 

 

 

‘0001’

Port 4 owned by UP1

 

 

 

‘0010’

Port 4 owned by UP2

 

 

 

‘0011’

Reserved, will default to ‘0001’ value

 

 

 

to

 

 

 

 

‘1111’

 

 

 

Bit [3:0] =

‘0000’

Port 3 is unassigned

 

 

 

‘0001’

Port 3 owned by UP1

 

 

 

‘0010’

Port 3 owned by UP2

 

 

 

‘0011’

Reserved, will default to ‘0001’ value

 

 

 

to

 

 

 

 

‘1111’

 

7.1.4.41

Register DFh: Port Assign Interface Configuration 3C (Reset = 0x00)

 

 

 

 

 

BIT

 

 

 

 

NUMBER

BIT NAME

 

 

DESCRIPTION

 

 

 

7:0

PORT_INT_3C

Reserved, always = ‘0’.

7.1.4.42

Register E0h: Port Assign Interface Configuration 3D (Reset = 0x00)

 

 

 

 

 

BIT

 

 

 

 

NUMBER

BIT NAME

 

 

DESCRIPTION

7:0

PORT_INT_3D

Reserved, always = ‘0’.

7.1.4.43

Register E1h: Port Assign Interface Configuration 4A (Reset = 0x00)

 

 

 

 

 

BIT

 

 

 

 

NUMBER

BIT NAME

 

 

DESCRIPTION

 

 

 

7:0

PORT_INT_4A

Port Assign Interface 4A: Determines the configuration of the hardware

 

 

interface configuration for the assignment of ports 1 & 2 to upstream hosts.

 

 

Bit [7:4] =

‘0000’

Port 2 is unassigned

 

 

 

‘0001’

Port 2 owned by UP1

 

 

 

‘0010’

Port 2 owned by UP2

 

 

 

‘0011’

Reserved, will default to ‘0001’ value

 

 

 

to

 

 

 

 

‘1111’

 

 

 

Bit [3:0] =

‘0000’

Port 1 is unassigned

 

 

 

‘0001’

Port 1 owned by UP1

 

 

 

‘0010’

Port 1 owned by UP2

 

 

 

‘0011’

Reserved, will default to ‘0001’ value

 

 

 

to

 

 

 

 

‘1111’

 

SMSC USB2524

33

Revision 1.91 (08-22-07)

 

DATASHEET