USB 2.0 Hi-Speed Hub Controller
Datasheet
Table 8.2 Internal Default, EEPROM and SMBus Register Memory Map (continued)
DEFAULT ROM VALUES (HEXIDECIMAL)
ADDRESS
REGISTER NAME
54h-91h
92h-CFh
D0h
Product String
Serial String
Battery Charging Enable
Reserved
R
R
00
00
R
00
E0h
00
R
F5h
Reserved
00
00
R
R
00
F6h
Boost_Up
00
F7h
Boost_7:5
00
F8h
Boost_x:0
00
00
00
00
F9h
Reserved
FAh
Port Swap
FBh
Port Map 12
Port Map 34
Port Map 56
Port Map 7
FCh
FDh
FEh
R
00
R
00
R
R
00
00
FFh
Status/Command
Note: SMBus register only
00
8.2.1.1
Register 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.
8.2.1.2
Register 01h: Vendor ID (MSB)
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
VID_MSB
Most 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 1.0 (3-11-09)
36
SMSC USB251x
DATASHEET
SMSC [ SMSC CORPORATION ]
