SMSC USB2524 - Manual (Page 36)

USB MultiSwitch
TM
Hub
Datasheet
Revision 1.91 (08-22-07) 36 SMSC USB2524
DATASHEET
7.1.4.52 Register EAh: Port Assign Interface Configuration 6B (Reset = 0x00)
7.1.4.53 Register EBh: Port Assign Interface Configuration 6C (Reset = 0x00)
7.1.4.54 Register ECh: Port Assign Interface Configuration 6D (Reset = 0x00)
7.1.4.55 Register EDh: Port Assign Interface Configuration 7A (Reset = 0x00)
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PORT_INT_6B Port Assign Interface 6B: 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_6C Reserved, always = ‘0’.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PORT_INT_6D Reserved, always = ‘0’.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PORT_INT_7A Port Assign Interface 7A: 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