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USB3503 Datasheet, PDF (21/73 Pages) SMSC Corporation – USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications
USB3503
5.3 Serial Interface Register Definitions
5.3.1 REGISTER 00H: VENDOR ID (LSB) - VIDL
Default = 0x24h - Corresponds to Vendor ID.
Bit Number
7:0
Bit Name
VID_LSB
Description
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 customer using the serial interface options.
5.3.2 REGISTER 01H: VENDOR ID (MSB) - VIDM
Default = 0x04h - Corresponds to Vendor ID.
Bit Number
7:0
Bit Name
VID_MSB
Description
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 customer using serial interface options.
5.3.3 REGISTER 02H: PRODUCT ID (LSB) - PIDL
Default = 0x03h - Corresponds to USB part number for 3-port device.
Bit Number
7:0
Bit Name
PID_LSB
Description
Least Significant Byte of the Product ID. This is a 16-bit value that the Vendor
can assign that uniquely identifies this particular product (assigned by
customer). This field is set by the customer using the serial interface options.
5.3.4 REGISTER 03H: PRODUCT ID (MSB) - PIDM
Default = 0x35h Corresponds to 3503 device.
Bit Number
7:0
Bit Name
PID_MSB
Description
Most Significant Byte of the Product ID. This is a 16-bit value that the Vendor
can assign that uniquely identifies this particular product (assigned by
customer). This field is set by the customer using the serial interface options.
5.3.5 REGISTER 04H: DEVICE ID (LSB) - DIDL
Default = 0xA0h
Bit Number
7:0
Bit Name
DID_LSB
Description
Least Significant Byte of the Device ID. This is a 16-bit device release number
in BCD format (assigned by customer). This field is set by the customer using
the serial interface options.
5.3.6 REGISTER 05H: DEVICE ID (MSB) - DIDM
Default = 0xA1h
Bit Number
7:0
Bit Name
DID_MSB
Description
Most Significant Byte of the Device ID. This is a 16-bit device release number
in BCD format (assigned by customer). This field is set by the customer using
the serial interface options.
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DS00001584B-page 21