Datasheet – SMSC USB2524 User Manual
Page 31
USB MultiSwitch
TM
Hub
Datasheet
SMSC USB2524
31
Revision 1.91 (08-22-07)
DATASHEET
7.1.4.32
Register D6h: Port Assign Interface Configuration 1B (Reset = 0x00)
7.1.4.33
Register D7h: Port Assign Interface Configuration 1C (Reset = 0x00)
7.1.4.34
Register D8h: Port Assign Interface Configuration 1D (Reset = 0x00)
7.1.4.35
Register D9h: Port Assign Interface Configuration 2A (Reset = 0x00)
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_INT_1B
Port Assign Interface 1B: 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’
to
‘1111’
Reserved, will default to ‘0001’ value
Bit [3:0] =
‘0000’ Port 3 is unassigned
‘0001’ Port 3 owned by UP1
‘0010’ Port 3 owned by UP2
‘0011’
to
‘1111’
Reserved, will default to ‘0001’ value
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_INT_1C
Reserved, always = ‘0’.
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_INT_1D
Reserved, always = ‘0’.
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_INT_2A
Port Assign Interface 2A: 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’
to
‘1111’
Reserved, will default to ‘0001’ value
Bit [3:0] =
‘0000’ Port 1 is unassigned
‘0001’ Port 1 owned by UP1
‘0010’ Port 1 owned by UP2
‘0011’
to
‘1111’
Reserved, will default to ‘0001’ value