USB2512 datasheet(36/72 Pages) SMSC

36 / 72 page

USB 2.0 Hi-Speed Hub Controller

Datasheet

Revision 1.0 (3-11-09)

SMSC USB251x

DATASHEET

8.2.1.1

8.2.1.2

54h-91h

Product String

92h-CFh

Serial String

D0h

Battery Charging Enable

E0h

Reserved

F5h

Reserved

F6h

Boost_Up

F7h

Boost_7:5

F8h

Boost_x:0

F9h

Reserved

FAh

Port Swap

FBh

Port Map 12

FCh

Port Map 34

FDh

Port Map 56

FEh

Port Map 7

FFh

Status/Command

Note: SMBus register only

BIT

NUMBER

BIT NAME

DESCRIPTION

7:0

VID_LSB

Least Significant Byte of the Vendor ID. This is a 16-bit value that uniquely

identifies the Vendor of the user device (assigned by USB-Interface Forum).

This field is set by the OEM using either the SMBus or EEPROM interface

options.

BIT

NUMBER

BIT NAME

DESCRIPTION

7:0

VID_MSB

Most Significant Byte of the Vendor ID. This is a 16-bit value that uniquely

identifies the Vendor of the user device (assigned by USB-Interface Forum).

This field is set by the OEM using either the SMBus or EEPROM interface

options.

Table 8.2 Internal Default, EEPROM and SMBus Register Memory Map (continued)

ADDRESS

DEFAULT ROM VALUES (HEXIDECIMAL)

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