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USB2512I

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller

SMSC -> Microchip 

REG

ADDR

03h

04h

05h

06h

07h

08h

09h

0Ah

0Bh

0Ch

0Dh

0Eh

0Fh

10h

11h-F5h

F6h

F7h

F8h

F9h

FAh

FBh

FC-FEh

FFh

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller

Datasheet

Table 4.1 Internal Default, EEPROM and SMBus Register Memory Map (continued)

R/W

REGISTER NAME

ABBR

INTERNAL

DEFAULT ROM

SMBUS AND

EEPROM POR

VALUES

R/W

PID MSB

PIDM

25h

R/W

DID LSB

DIDL

00h

R/W

DID MSB

DIDM

00h

R/W

Config Data Byte 1

CFG1

8Bh

R/W

Config Data Byte 2

CFG2

10h

R/W

Config Data Byte 3

CFG3

00h

R/W

Non-Removable Devices

NRD

00h

R/W

Port Disable (Self)

PDS

08h

R/W

Port Disable (Bus)

PDB

08h

R/W

Max Power (Self)

MAXPS

01h

R/W

Max Power (Bus)

MAXPB

64h

R/W

Hub Controller Max Current

HCMCS

01h

(Self)

R/W

Hub Controller Max Current

HCMCB

64h

(Bus)

R/W

Power-on Time

PWRT

32h

R/W

Reserved

N/A

01h

R/W

Boost_Up

BOOSTUP

00h

R/W

Reserved

N/A

00h

R/W

Boost_2:0

BOOST20

00h

R/W

Reserved

N/A

00h

R/W

Port Swap

PRTSP

00h

R/W

Port Remap 12

PRTR12

00h

R/W

Reserved

N/A

00h

R/W

Status/Command

STCD

00h

Note: SMBus register only

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

4.2.1.1 Register 00h: Vendor ID (LSB)

BIT

NUMBER

7:0

BIT NAME

VID_LSB

DESCRIPTION

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.

Revision 1.92 (11-28-07)

14

DATASHEET

SMSC USB2512i

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