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SN11087
2003/7/8
ver 0.3
exist. The customers can select any one of them during the mass production stage, making
production much easier. With these flexibilities, the manufacturers can easily build
different products by using exactly the same components. The only place needs to be
changed on PCB is pin 35.
The USB Mass Storage Class compliance capability of SN11087 makes it a truly
“plug-and-play” device without vendor drivers under Windows 2000/ME/XP and Mac OS
9/10. SN11087 also provides PC boot up and data security function that exact the same as a
floppy disk (1.44M), which makes it an ideal replacement for the legacy floppy disk.
2
2 Features
z
USB 1.1 12 MHz full-speed compatible
z
USB 1.1 Mass Storage Class compliant
z
USB Mass Storage Class Bulk-Only Transport 1.0 supported
z
USB Mass Storage Class SCSI transparent command set supported
z
Low system clock (6MHz) to reduce EMI
z
Customized VID, PID, serial number, and 28 characters of Vendor/Product/Revision
string supported within flash or external EEPROM.
z
EEPROM in system programmable (ISP) capability
z
Support Samsung and Toshiba NAND-type flash memory, from 32Mbits to 1Gbits
z
Support new type of Samsung NAND type flash memory, from 1Gbits to 4Gbits
z
Real-time ECC correction circuit for data integrity and memory access speed
acceleration
z
Embedded SRAM for logical-to-physical address translation to extend the life time of
NAND-type flash
z
Support up to 8 NAND type flash memories are supported
z
Support up to 2 Gbytes of disk capacity
z
Embedded FIFO for upstream and downstream data transfer
z
Built-in power MOS to meet USB suspend requirement (500 uA)
z
Data transfer rate up to 1.5 MB/s (burst), 1.1 MB/s (read average)
z
LED indicator pin
z
Three modes of LED flashing patterns can be selected
z
Five speed of LED flashing speed provided