Datasheet

 2010 - 2015 Microchip Technology Inc. DS00001692C-page 21
USB251xB/xBi
5.1.1 REGISTER 00H: VENDOR ID (LSB)
5.1.2 REGISTER 01H: VENDOR ID (MSB)
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 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.
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.