SMSC USB2524 Manuale Utente Scaricare il pdf (Pagina 33)

USB MultiSwitch

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Datasheet

SMSC USB2524 33 Revision 1.91 (08-22-07)

DATASHEET

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

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

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

7.1.4.43 Register E1h: Port Assign Interface Configuration 4A (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’

‘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’

‘1111’

Reserved, will default to ‘0001’ value

BIT

NUMBER BIT NAME DESCRIPTION

7:0 PORT_INT_3C Reserved, always = ‘0’.

BIT

NUMBER BIT NAME DESCRIPTION

7:0 PORT_INT_3D Reserved, always = ‘0’.

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’

‘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’

‘1111’

Reserved, will default to ‘0001’ value

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SMSC USB2524 Manuale Utente Pagina 33

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