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)

 

 

 

 

 

SMBUS AND

REG

 

 

 

INTERNAL

EEPROM POR

ADDR

R/W

REGISTER NAME

ABBR

DEFAULT ROM

VALUES

 

 

 

 

 

 

03h

R/W

PID MSB

PIDM

25h

0x00

 

 

 

 

 

 

04h

R/W

DID LSB

DIDL

00h

0x00

 

 

 

 

 

 

05h

R/W

DID MSB

DIDM

00h

0x00

 

 

 

 

 

 

06h

R/W

Config Data Byte 1

CFG1

8Bh

0x00

 

 

 

 

 

 

07h

R/W

Config Data Byte 2

CFG2

10h

0x00

 

 

 

 

 

 

08h

R/W

Config Data Byte 3

CFG3

00h

0x00

 

 

 

 

 

 

09h

R/W

Non-Removable Devices

NRD

00h

0x00

 

 

 

 

 

 

0Ah

R/W

Port Disable (Self)

PDS

08h

0x00

 

 

 

 

 

 

0Bh

R/W

Port Disable (Bus)

PDB

08h

0x00

 

 

 

 

 

 

0Ch

R/W

Max Power (Self)

MAXPS

01h

0x00

 

 

 

 

 

 

0Dh

R/W

Max Power (Bus)

MAXPB

64h

0x00

 

 

 

 

 

 

0Eh

R/W

Hub Controller Max Current

HCMCS

01h

0x00

 

 

(Self)

 

 

 

 

 

 

 

 

 

0Fh

R/W

Hub Controller Max Current

HCMCB

64h

0x00

 

 

(Bus)

 

 

 

 

 

 

 

 

 

10h

R/W

Power-on Time

PWRT

32h

0x00

 

 

 

 

 

 

11h-F5h

R/W

Reserved

N/A

01h

0x00

 

 

 

 

 

 

F6h

R/W

Boost_Up

BOOSTUP

00h

0x00

 

 

 

 

 

 

F7h

R/W

Reserved

N/A

00h

0x00

 

 

 

 

 

 

F8h

R/W

Boost_2:0

BOOST20

00h

0x00

 

 

 

 

 

 

F9h

R/W

Reserved

N/A

00h

0x00

 

 

 

 

 

 

FAh

R/W

Port Swap

PRTSP

00h

0x00

 

 

 

 

 

 

FBh

R/W

Port Remap 12

PRTR12

00h

0x00

 

 

 

 

 

 

FC-FEh

R/W

Reserved

N/A

00h

0x00

 

 

 

 

 

 

FFh

R/W

Status/Command

STCD

00h

0x00

 

 

Note: SMBus register only

 

 

 

 

 

 

 

 

 

4.2.1.1Register 00h: Vendor ID (LSB)

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.

 

 

 

Revision 1.92 (11-28-07)

14

SMSC USB2512i

 

DATASHEET