2003/2/28 ver 0.1
SN11086
The USB Mass Storage Class compliance capability of SN11086 makes it a truly
“plug-and-play” device without vendor drivers under Windows 2000/ME/XP and Mac OS
9/10. SN11086 also provides PC boot up and data security function, which makes it an ideal
replacement for the legacy floppy disk.
2 Features
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USB 1.1 12 MHz full-speed compatible
USB 1.1 Mass Storage Class compliant
USB Mass Storage Class Bulk-Only Transport 1.0 supported
USB Mass Storage Class SCSI transparent command set supported
Low system clock (6MHz) to reduce EMI
Customized VID, PID, serial number, and 28 characters of Vendor/Product/Revision
string supported within flash or external EEPROM.
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EEPROM in system programmable (ISP) capability
Support Samsung and Toshiba NAND-type flash memory, from 32Mbits to 1Gbits
Support new type of Samsung NAND type flash memory, from 1Gbits to 4Gbits
Real-time ECC correction circuit for data integrity and memory access speed
acceleration
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Embedded SRAM for logical-to-physical address translation to extend the life time of
NAND-type flash
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Support up to 8 NAND type flash memories are supported
Support up to 2 Gbytes of disk capacity
Embedded FIFO for upstream and downstream data transfer
Built-in power MOS to meet USB suspend requirement (500 uA)
Data transfer rate up to 1.5 MB/s (burst), 1.1 MB/s (read average)
LED indicator pin
Three modes of LED flashing patterns can be selected
PC boot up capability (host BIOS with USB ZIP/HDD boot up support is necessary)
Flash disk security function provided, up to 12 characters of password for high sensitive
data protection from illegally access
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Two types of security functions can be selected
ROM-type flash disk capability provided (permanent write protect)
2
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