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Introduction

The ST72682 is a USB 2.0 high-speed Flash drive controller. The USB 2.0 high-speed interface includes PHY and function and supports USB 2.0 mass storage device class.

The Mass storage controller interface (MSCI), combined with the Reed-Solomon encoder/decoder on-the-fly correction (4 bytes on 512-byte data blocks), provides a flexible high transfer rate solution for interfacing a wide of range NAND Flash memory devices.

Features

■ USB 2.0 interface compatible with mass storage device class

– Integrated USB 2.0 PHY

– Supports USB high speed and full speed

– Suspend and Resume operations

■ Mass storage controller interface (MSCI)

– Supports all types of NAND Flash devices including ST, Hynix, Samsung, Toshiba, Renesas, and Micron

– Reed-Solomon encoder/decoder: on-thefly correction (4 bytes of a 512-byte block)

– Flash identification support

– Up to 21 Mbyte/s for read and 11 Mbyte/s for write operations in dual channel

■ Embedded ST7 8-bit MCU

■ Supply management

– 3.3V operation

– Integrated 3.3 -1.8 V voltage regulator

■ USB 2.0 low-power device compliant

– Less than 100 mA during write operation with two NAND Flash devices

– Less than 500 μA in suspend mode

■ Clock management

– Integrated PLL for generating core and USB 2.0 clock sources using external 12 MHz crystal

■ AutoRun CDROM partition support

■ Data protection

– Write protect switch control

– Public/Private partitions support

■ Bootability support (HDD mode)

■ Production tool device configurability:

– USB vendor ID/product ID (VID/PID), serial number and USB strings with foreign language support

– SCSI strings

– One or two LED outputs

– Adjustable NAND Flash bus frequency to reach highest performance

■ Code update in the NAND Flash

■ LQFP64 10x10 lead-free package

■ Development support

– Complete reference design including schematics, BOM and gerber files

■ Supports Windows (Vista, XP, 2000, ME), Linux and MacOS. Drivers available for Windows 98 SE