USB2524 Datasheet, PDF (34/57 Pages) SMSC Corporation – USB MultiSwitch Hub

7.1.4.44
USB MultiSwitch^TM Hub
Register E2h: Port Assign Interface Configuration 4B (Reset = 0x00)
Datasheet
BIT
NUMBER
7:0
BIT NAME
PORT_INT_4B
DESCRIPTION
Port Assign Interface 4B: 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’
7.1.4.45 Register E3h: Port Assign Interface Configuration 4C (Reset = 0x00)
BIT
NUMBER
7:0
BIT NAME
PORT_INT_4C
Reserved
DESCRIPTION
7.1.4.46 Register E4h: Port Assign Interface Configuration 4D (Reset = 0x00)
BIT
NUMBER
7:0
BIT NAME
PORT_INT_4D
Reserved
DESCRIPTION
7.1.4.47 Register E5h: Port Assign Interface Configuration 5A (Reset = 0x00)
BIT
NUMBER
7:0
BIT NAME
PORT_INT_5A
DESCRIPTION
Port Assign Interface 5A: 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’
Revision 1.2 (07-17-06)
34
DATASHEET
SMSC USB2524