General Description

SN11030 is a high-performance integrated circuit to bridge USB and CF/ATA/SM/Flash compliance devices. It provides a flexible and cost efficient single chip solution for external storage applications that intend to utilize the convenience of USB. To help the system manufacturers to build high quality, low cost USB storage systems, several special features are implemented. SN11030 can be easily configured to access CF, ATA device, SM, NAND type flash or any combination of the above.

Features

● 12 MHz 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

● 12 characters of serial number and up to 28 characters of Vendor/Product/Revision string supported with external EEPROM

● Support PIO mode CF/ATA/ATAPI device

● Support 3.3V, 4Mbytes to 128 Mbytes SSFDC(SmartMedia Card), Type I/II CompactFlash card and MicroDrive.

● Support NAND-type flash memory, from 4Mbytes to 128 Mbytes.

● Real-time ECC correction circuit to ensure the data integrity and accelerate the access speed for SmartMedia/NAND-type flash.

● Built-in SRAM to support logical-to-physical address translation for SmartMedia/NAND-type flash to reduce cost and increase performance and reliability

● Supports Hot-Swapping among flash memory, CF card and SM card without un-plug USB.

● Built-in FIFO for upstream and downstream data transfer

● Data transfer rate up to 1.5 MB/s (burst), 1.1 MB/s (read average),

● Pin selectable high-power (500mA) or low-power (100mA)

● 3 LED lightening pins available. One for CF, one for SM, and one for CF + SM (version 2 only)

● PC boot up capability provided (PC BIOS needs to support USB ZIP boot up) (version 2 only)

● No Driver needed under Microsoft Windows ME/2000/XP, Mac OS 9.x/10.x

● Driver support Microsoft Windows 98

● Multiple icon driver support for Microsoft Windows 2000 and Mac OS 9

● Single 3.3V operation

● 80 pin LQFP package.