Datasheet

USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 2.3 (06-11-13) 26 SMSC USB251xB/xBi
DATASHEET
5.1.1 Register 00h: Vendor ID (LSB)
5.1.2 Register 01h: Vendor ID (MSB)
54h-91h Product String 00
92h-CFh Serial String 00
D0h Battery Charging Enable 00
E0h rsvd 00
F5h rsvd 00
F6h Boost_Up 00
F7h rsvd 00
F8h Boost_x:0 00
F9h rsvd 00
FAh Port Swap 00
FBh Port Map 12 00
FCh Port Map 34 - 00
FD-FEh rsvd 00
FFh Status/Command
Note: SMBus register only
00
BIT
NUMBER BIT NAME DESCRIPTION
7:0 VID_LSB Least Significant Byte of the Vendor ID: a 16-bit value that uniquely identifies
the Vendor of the user device (assigned by USB-Interface Forum). Set this
field using either the SMBus or I
2
C EEPROM interface options.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 VID_MSB Most Significant Byte of the Vendor ID: a 16-bit value that uniquely identifies
the Vendor of the user device (assigned by USB-Interface Forum). Set this
field using either the SMBus or I
2
C EEPROM interface options.
ADDRESS REGISTER NAME DEFAULT ROM VALUES
(HEXIDECIMAL)
USB2512B/12Bi USB2513B/13Bi USB2514B/14Bi