SMSC USB4640i Instrukcja Użytkownika Pobierz pdf (Strona 47)

High Speed Inter-Chip USB 2.0 Hub and Flash Media Controller

Datasheet

SMSC USB4640/USB4640i 47 Revision 1.0 (06-01-09)

DATASHEET

8.4.4.20 F1h: Port Swap

BIT BYTE NAME DESCRIPTION

7:0 PRT_SWP Swaps the upstream and downstream USB DP and DM pins for ease of

board routing to devices and connectors.

‘0’ = USB D+ functionality is associated with the DP pin and D- functionality

is associated with the DM pin.

‘1’ = USB D+ functionality is associated with the DM pin and D- functionality

is associated with the DP pin.

Bit 7= Reserved

Bit 6= Reserved

Bit 5= Reserved

Bit 4= Reserved

Bit 3= Controls physical port 3

Bit 2= Controls physical port 2

Bit 1= Reserved

Bit 0= Controls physical port 0

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 64 65

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SMSC USB4640i Instrukcja Użytkownika Strona 47