ST72681_07 Datasheet, PDF (1/32 Pages) STMicroelectronics – USB 2.0 high-speed Flash drive controller

ST72681
USB 2.0 high-speed Flash drive controller
Features
■ USB 2.0 interface compatible with mass
storage device class
– Integrated USB 2.0 PHYSupports 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,
Micron, Renesas
– Reed-Solomon encoder/decoder on-the-fly
correction (4 bytes of a 512-byte block)
– Flash identification support
– Up to 12 MB/s for read and 8 MB/s for write
operations in single channel
– Up to 4 NAND devices supported in a
single channel
■ Embedded ST7 8-bit MCU
■ Supply management
– 3.3 V 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
■ AutoRun CDROM partition support
■ Bootability support (HDD mode)
Table 1. Device summary
TQFP48 7x7
■ Clock management
– Integrated PLL for generating core and
USB 2.0 clock sources using an external
12 MHz crystal oscillator
■ Data protection
– Write protect switch control
– Public/private partitions support
■ 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 memory
■ TQFP48 7x7 ECOPACK^® 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
Features
Orderable part numbers
ST72681/R20
ST72681/R21
USB interface
Number of NAND devices supported ⁽¹⁾
R/W speed
USB 2.0 high speed
up to 1
up to 4
11MB/s and 7MB/s
12MB/s and 8MB/s
Operating voltage
3.0 to 3.6 V
Operating temperature
Package
0 to +70 °C
TQFP48 7x7 / Die form
1. Number of NAND devices supported in a single channel.
August 2007
Rev 5
1/32
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