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SN11085 Dataheets PDF



Part Number SN11085
Manufacturers SONiX Technology Company
Logo SONiX Technology Company
Description SN11085 USB1.1 Flash memory Controller
Datasheet SN11085 DatasheetSN11085 Datasheet (PDF)

SN11085 2002/12/01 ver 0.97 SN11085 USB1.1 Flash memory Controller 2002/12/01 ver 0.97 1 General Description SN11085 is a high-performance integrated circuit to bridge USB 1.1 interface and Flash memory. It provides a flexible and cost efficient single chip solution for external storage applications that intend to utilize the convenience of USB. Several special features are implemented for an efficient and low cost USB storage device solution. The embedded translation table eliminates extern.

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SN11085 2002/12/01 ver 0.97 SN11085 USB1.1 Flash memory Controller 2002/12/01 ver 0.97 1 General Description SN11085 is a high-performance integrated circuit to bridge USB 1.1 interface and Flash memory. It provides a flexible and cost efficient single chip solution for external storage applications that intend to utilize the convenience of USB. Several special features are implemented for an efficient and low cost USB storage device solution. The embedded translation table eliminates external SRAM cost. The Sonix proprietary randomization algorithm effectively extends the lifetime of flash memory and ensures the product robustness. Embedded real time ECC correction keeps the data integrity while maintains the high data transfer rate. The external serial EEPROM provides customized USB vendor ID, product ID, and string flexibility. In addition, the EEPROM can contain a serial number which helps the system manufacturers to track down every single device they made even the design and PID/VID are all the same. SN11085 also provides in system programming (ISP) capability of the EEPROM. Products can be assembled without programming the EEPROM in advance, which saves both the production cost and time. Device and manufacturer’s string can be saved in the flash instead of the external EEPROM for further total cost reduction. The USB Mass Storage Class compliance capability of SN11085 makes it a truly “plug-and-play” device without vendor drivers under Windows 2000/ME/XP and Mac OS 9/10. SN11085 provides PC boot up and data security function, which makes it an ideal replacement for the legacy floppy disk. With many of its advanced features and high performance, SN11085 is an ideal choice for building a portable USB to flash storage system. 1 SN11085 2002/12/01 ver 0.97 2 Features USB 1.1 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 Customized VID, PID, serial number, and 28 characters of Vendor/Product/Revision string supported with external EEPROM EEPROM in system programmable (ISP) capability 28 characters of Vendor/Product/Revision string can be stored in flash for external EEPROM cost reduction Support Samsung and Toshiba NAND-type flash memory, from 4Mbytes to 128 Mbytes Real-time ECC correction circuit for data integrity and memory access speed acceleration Embedded SRAM for logical-to-physical address translation of NAND-type flash Up to 8 NAND type flash memories are supported Embedded FIFO for upstream and downstream data transfer Data transfer rate up to 1.5 MB/s (burst), 1.1 MB/s (read average), LED indicator pin PC boot up capability (host BIOS with USB ZIP boot up support is necessary) Flash disk security function provided, up to 12 characters of password for high sensitive data protection from illegally access ROM-type flash disk capability provided (permanent write protect) No Driver needed under Microsoft Windows ME/2000/XP, Mac OS 8.6/9.x/10.x Sonix Driver for Microsoft Windows 98 Single 3.3V operation 48 pin LQFP package 2 SN11085 2002/12/01 ver 0.97 3 Pin Assignment FLWPSW2 FLPOWER ROMDO ROMCS ROMSK ROMDI GPIO0 GND VDD NC NC AVDD AVSS DPLUS DMINUS FLCE8 FLCE6 FLCE4 FLCE2 FLD4 FLD5 FLD3 VDD 35 30 NC 25 XOUT XIN NC 40 20 TEST RSTN LED1 FLCE7 FLCE5 45 15 FLCE3 FLCE1 FLCLE VDD 1 FLD6 FLD2 FLD7 GND 5 FLWP FLWE FLRB FLD1 FLD0 10 FLALE FLRE GND Table 1 SN11085 pin list # pin name 1 GND 2 FLD6 3 FLD2 4 FLD7 5 FLD1 6 FLD0 7 FLWP 8 FLRB 9 FLWE 10 FLRE 11 FLALE type drive special description PWR DIO 8mA PD DIO 8mA PD DIO 8mA PD DIO 8mA PD DIO 8mA PD DO 8mA DI DIO 8mA PD DIO 8mA PD DO 8mA Digital ground Flash memory I/O port bit 6 Flash memory I/O port bit 2 Flash memory I/O port bit 7 Flash memory I/O port bit 1 Flash memory I/O port bit 0 Flash memory write protect Flash memory ready/busy Flash memory write enable Flash memory read enable Flash memory address latch enable 3 SN11085 12 GND 13 VDD 14 FLCLE 15 FLCE1 16 FLCE3 17 FLCE5 18 FLCE7 19 LED1 20 RSTN 21 TEST 22 NC 23 XIN 24 XOUT 25 NC 26 NC PWR PWR DO 8mA DO 8mA DO 8mA DO 8mA DO 8mA DIO 8mA PD DI DI I O PU PD Digital ground Digital 3.3V 2002/12/01 ver 0.97 Flash memory command latch enable Flash memory chip enable 1 Flash memory chip enable 3 Flash memory chip enable 5 Flash memory chip enable 7 LED1 lighter Chip reset, connected to external RC circuit Test pin, NC in normal operation No Connect Crystal input or oscillator input Crystal output or no connection No Connect No Connect Flash power control Normal mode – output L Power down mode – open collector, pull up externally General Purpose Input/Output for internal test Always pull up for normal operation Chip select for external EEPROM Digital ground Digital 3.3V Clock for external serial EEPROM Serial data to external EEPROM Serial data from external EEPROM, pull up externally if no EEPROM is connected PU No Connect Flash write.


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