Datasheet
USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251xB/xBi 29 Revision 2.2 (02-17-12)
DATASHEET
5.1.3 Register 02h: Product ID (LSB)
5.1.4 Register 03h: Product ID (MSB)
5.1.5 Register 04h: Device ID (LSB)
5.1.6 Register 05h: Device ID (MSB)
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PID_LSB Least Significant Byte of the Product ID: a 16-bit value that uniquely identifies
the Product ID of the user device. Set this field using either the SMBus or I
2
C
EEPROM interface options.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PID_MSB Most Significant Byte of the Product ID: a 16-bit value that uniquely identifies
the Product ID of the user device. Set this field using either the SMBus or
I
2
C EEPROM interface options.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 DID_LSB Least Significant Byte of the Device ID: a 16-bit device release number in
BCD format (assigned by OEM). Set this field using either the SMBus or I
2
C
EEPROM interface options.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 DID_MSB Most Significant Byte of the Device ID: a 16-bit device release number in
BCD format (assigned by OEM). Set this field using either the SMBus or I
2
C
EEPROM interface options.