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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo
Revision 2.0 (10-03-08) 36 SMSC USB2640/USB2641
DATASHEET
7.3.3.9 D8h-DAh: Reserved
7.3.3.10 DBh-DDh: Reserved
7.3.3.11 DEh: Vendor ID (LSB)
7.3.3.12 DFh: Vendor ID (MSB)
7.3.3.13 E0h: Product ID (LSB)
BIT
NUMBER BYTE NAME BITS DESCRIPTION
2:0 Reserved 00h, 04h, 09h For internal use only.
BIT
NUMBER BYTE NAME BITS DESCRIPTION
2:0 Reserved 5Ch, 59h, 9Ah For internal use only.
BIT
NUMBER BYTE 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 Implementers
Forum).
BIT
NUMBER BYTE 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 Implementers
Forum).
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PID_LSB Least Significant Byte of the Product ID. This is a 16-bit value that the Vendor
can assign that uniquely identifies this particular product.