SMSC USB2524 Instrukcja Użytkownika Pobierz pdf (Strona 37)

USB MultiSwitch

Hub

Datasheet

SMSC USB2524 37 Revision 1.91 (08-22-07)

DATASHEET

7.1.4.56 Register EEh: Port Assign Interface Configuration 7B (Reset = 0x00)

7.1.4.57 Register EFh: Port Assign Interface Configuration 7C (Reset = 0x00)

7.1.4.58 Register F0h: Port Assign Interface Configuration 7D (Reset = 0x00)

7.1.4.59 Register F1h: Port Assignment 1 & 2 (Reset = 0x00)

BIT

NUMBER BIT NAME DESCRIPTION

7:0 PORT_INT_7B Port Assign Interface 7B: 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_7C Reserved, always = ‘0’.

BIT

NUMBER BIT NAME DESCRIPTION

7:0 PORT_INT_7D Reserved, always = ‘0’.

BIT

NUMBER BIT NAME DESCRIPTION

7:0 PORT_ASSIGN_12 Port 1 & 2 Assignment to upstream host port. Determines which upstream port

“owns” each of the downstream ports

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

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 56 57

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