Internal register set (common to eeprom and smbus) – SMSC USB2513 User Manual
Page 35
USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251x
35
Revision 1.0 (3-11-09)
DATASHEET
Please see the Internal Register Set (Common to EEPROM and SMBus) for a list of the available data
fields. Please visit www.smsc.com/ftpdocs/usb.html to locate the configuration utility for the hub
EEPROM data. Select the “e2prommap.msi” link to download the tool.
Each register has R/W capability. SMBUS and EEPROM Reset Values are 0x00. Reserved registers
should be written to ‘0’ unless otherwise specified. Contents read should be ignored (such as the case
of ‘R’ in the table below).
8.2.1
Internal Register Set (Common to EEPROM and SMBus)
Table 8.2 Internal Default, EEPROM and SMBus Register Memory Map
ADDRESS
REGISTER NAME
DEFAULT ROM VALUES (HEXIDECIMAL)
USB2
512/12
i
USB2
512A
/1
2Ai
USB25
13/13i
USB25
14/14i
USB251
2B/12B
i
USB251
3B/13B
i
USB251
4B/14B
i
USB25
17/17i
00h
Vendor ID LSB
24
01h
Vendor ID MSB
04
02h
Product ID LSB
12
13
14
12
13
14
17
03h
Product ID MSB
25
04h
Device ID LSB
00
A0
00
A0
00
05h
Device ID MSB
00
0A
00
0B
00
06h
Configuration Data Byte 1
8B
9B
07h
Configuration Data Byte 2
20
08h
Configuration Data Byte 3
02
09h
Non-Removable Devices
00
0Ah
Port Disable (Self)
08
00
0Bh
Port Disable (Bus)
08
00
0Ch
Max Power (Self)
01
0Dh
Max Power (Bus)
32
0Eh
Hub Controller Max Current (Self)
01
0Fh
Hub Controller Max Current (Bus)
32
10h
Power-on Time
32
11h
Language ID High
00
12h
Language ID Low
R
00
13h
Manufacturer String Length
R
00
14h
Product String Length
R
00
15h
Serial String Length
R
00
16h-53h
Manufacturer String
R
00