Filter
Top Products
High Speed Inter-Chip USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i 29 Revision 1.0 (06-01-09)
DATASHEET
The USBDM tool set is available in the USB264x Hub Card reader combo software release package.
To download the software package from SMSC's website, please visit:
https://www2.smsc.com/mkt/CW_SFT_PUB.nsf/Agreements/OBJ+Hub+Card+Reader
to go to the OBJ Hub Card Reader Software Download Agreement. Review the license, and if you
agree, check the "I agree" box and then select “Confirm”. You will then be able to download USB264x
Hub Card reader combo release package zip file containing the USBDM tool set.
Please note that the following applies to the system values and descriptions when used:
N/A = Not applicable to this part
Reserved = For internal use
8.3.2 EEPROM Data Descriptor
Table 8.1 Internal Flash Media Controller Configurations
ADDRESS REGISTER NAME DESCRIPTION INTERNAL DEFAULT VALUE
00h USB_SER_LEN USB Serial String
Descriptor Length
1Ah
01h USB_SER_TYP USB Serial String
Descriptor Type
03h
02h-19h USB_SER_NUM USB Serial Number "000008264001"
(See Note 8.1)
1Ah-1Bh USB_VID USB Vendor Identifier 0424
1Ch-1Dh USB_PID USB Product Identifier 4040
1Eh USB_LANG_LEN USB Language String
Descriptor Length
04h
1Fh USB_LANG_TYP USB Language String
Descriptor Type
03h
20h USB_LANG_ID_LSB USB Language Identifier
Least Significant Byte
09h
(See Note 8.3)
21h USB_LANG_ID_MSB USB Language Identifier
Most Significant Byte
04h
(See Note 8.3)
22h USB_MFR_STR_LEN USB Manufacturer String
Descriptor Length
10h
23h USB_MFR_STR_TYP USB Manufacturer String
Descriptor Type
03h
24h-31h USB_MFR_STR USB Manufacturer String “Generic”
(See Note 8.1)
32h-5Dh Reserved - 00h
5Eh USB_PRD_STR_LEN USB Product String
Descriptor Length
30h
5Fh USB_PRD_STR_TYP USB Product String
Descriptor Type
03h
60h-99h USB_PRD_STR USB Product String "Ultra Fast Media Reader"
(See Note 8.1)
9Ah USB_BM_ATT USB BmAttribute 80h