USB2422 datasheet(25/51 Pages) SMSC

25 / 51 page

2-Port USB 2.0 Hi-Speed Hub Controller

Datasheet

SMSC USB2422

Revision 1.0 (06-04-13)

DATASHEET

4.4.1

Vendor ID Least Significant Bit Register (VIDL)

4.4.2

Vendor ID Most Significant Bit Register (VIDM)

F6h

R/W

Boost Upstream Register (BOOSTUP)

00h

F7h

RESERVED

F8h

R/W

Boost Downstream Register (BOOST40)

00h

F9h

RESERVED

FAh

R/W

Port Swap Register (PRTSP)

00h

FBh

R/W

Port 1/2 Remap Register (PRTR12)

00h

FCh-FEh

RESERVED

FFh

R/W

Status/Command Register (STCD)

00h

Offset:

00h

Size:

8 bits

BITS

DESCRIPTION

TYPE

DEFAULT

7:0

Least Significant Byte of the Vendor ID (VID_LSB)

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 the

SMBus interface option.

R/W

00h

Address:

01h

Size:

8 bits

BITS

DESCRIPTION

TYPE

DEFAULT

7:0

Most Significant Byte of the Vendor ID (VID_LSB)

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 the

SMBus interface options.

R/W

00h

Table 4.3 Internal Default and SMBus Register Memory Map (continued)

REG.

ADDRESS

TYPE

INTERNAL

DEFAULT

ROM

SMBUS &

EEPROM

DEFAULT

USB2422 Datenblatt(PDF) 25 Page - SMSC Corporation

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