May 2005

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This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

Rev. 1.1

ST72681

USB 2.0 HIGH-SPEED 8-BIT MCU FLASH DRIVE

CONTROLLER

PRELIMINARY DATA

Storage Device Class

– Integrated USB 2.0 PHY

– Supports USB High Speed and Full Speed

– Suspend and Resume operations

– Supports all type of NAND Flash devices

– Reed-Solomon Encoder/Decoder for MLC

NAND Flash support: on-the-fly correction (4

bytes of a 512-byte block)

– Flash identification support

– 10MB/s for read and 8MB/s for write opera-

tions with one single NAND Flash device

– 10MB/s for read and 10MB/s for write opera-

tions in multi mode NAND Flash device topol-

ogy

– 3.3V operation

– Integrated 3.3V-1.8V voltage regulator

– Less than 100mA during write operation with

two NAND Flash devices

– Less than 500µA in suspend mode

– Integrated PLL for generating core and USB

2.0 clock sources using an external 12 MHz

crystal

– Blinking on USB specific activity (idle, sus-

pend, data access)

– Write protect switch control

– Password-based security for data protection

– Configurable Vendor ID/Product ID (VID/PID)

with production tool

– Patch code support with external EEPROM

device

– Complete reference design including sche-

matics, BOM and gerber files

Windows

ME,

Windows

2K,

Windows XP, Linux and MacOS. Drivers

available for Windows 98 SE

TQFP48

Features

ST72681

USB interface

USB 2.0

# of NAND devices supported

up to 4

R/W speed

10MBps/8MBps (single NAND) / 10MBps/10MBps (multi NAND)

Operating Supply

3.0V to 3.6V

Operating Temperature

0°C to +70°C

Packages

TQFP48 7x7 / Die form

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