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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo
Revision 2.0 (10-03-08) 34 SMSC USB2640/USB2641
DATASHEET
7.3.3.1 AAh-B0h: Lun 0 Identifier String
7.3.3.2 B1h-B7h: Lun 1 Identifier String
7.3.3.3 B8h-BEh: Lun 2 Identifier String
7.3.3.4 BFh-C5h: Lun 3 Identifier String
7.3.3.5 C6h-CDh: Inquiry Vendor String
BYTE
NUMBER BYTE NAME STRING DESCRIPTION
6:0 LUN0_ID_STR “COMBO” These bytes are used to specify the LUN descriptor
returned by the device. These bytes are used in
combination with the LUN to device mapping bytes
in applications where the OEM wishes to reorder
and rename the LUNs or utilizes a combo socket
and wishes to rename the LUN.
BYTE
NUMBER BYTE NAME STRING DESCRIPTION
6:0 LUN1_ID_STR “MS” These bytes are used to specify the LUN descriptor
returned by the device. These bytes are used in
combination with the LUN to device mapping bytes
in applications where the OEM wishes to reorder
and rename the LUNs or utilizes a combo socket
and wishes to rename the LUN.
BYTE
NUMBER BYTE NAME STRING DESCRIPTION
6:0 LUN2_ID_STR “SM” These bytes are used to specify the LUN descriptor
returned by the device. These bytes are used in
combination with the LUN to device mapping bytes
in applications where the OEM wishes to reorder
and rename the LUNs or utilizes a combo socket
and wishes to rename the LUN.
BYTE
NUMBER BYTE NAME STRING DESCRIPTION
6:0 LUN3_ID_STR “SD/MMC” These bytes are used to specify the LUN descriptor
returned by the device. These bytes are used in
combination with the LUN to device mapping bytes
in applications where the OEM wishes to reorder
and rename the LUNs or utilizes a combo socket
and wishes to rename the LUN.
BYTE
NUMBER BYTE NAME STRING DESCRIPTION
7:0 INQ_VEN_STR “Generic” If bit 4 of the 1st attribute byte is set, the device will
use these strings in response to a USB inquiry
command, instead of the USB Descriptor
Manufacturer and Product ID Strings.