USB2514BI View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

USB2514BI

USB 2.0 Hi-Speed Hub Controller

SMSC -> Microchip 

USB 2.0 Hi-Speed Hub Controller

Datasheet

5.1

Internal Register Set (Common to I2C EEPROM and SMBus)

The register set available when configuring the hub to interface over I2C or SMBus is outlined in the

table below. Each register has R/W capability, where EEPROM reset values are 0x00. Reserved

registers should be written to 0 unless otherwise specified. Contents read from unavailable registers

should be ignored.

ADDRESS

REGISTER NAME

DEFAULT ROM VALUES

(HEXIDECIMAL)

00h

01h

02h

03h

04h

05h

06h

07h

08h

09h

0Ah

0Bh

0Ch

0Dh

0Eh

0Fh

10h

11h

12h

13h

14h

15h

16h-53h

SMSC USB251xB/xBi

Vendor ID LSB

Vendor ID MSB

Product ID LSB

Product ID MSB

Device ID LSB

Device ID MSB

Configuration Data Byte 1

Configuration Data Byte 2

Configuration Data Byte 3

Non-Removable Devices

Port Disable (Self)

Port Disable (Bus)

Max Power (Self)

Max Power (Bus)

Hub Controller Max Current (Self)

Hub Controller Max Current (Bus)

Power-on Time

Language ID High

Language ID Low

Manufacturer String Length

Product String Length

Serial String Length

Manufacturer String

27

DATASHEET

24

04

12

13

14

25

B3

0B

9B

20

02

00

00

00

01

32

01

32

32

00

00

00

00

00

00

Revision 2.2 (02-17-12)

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