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参数资料
| 型号： | ST72681/R12 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 30 MHz, MICROCONTROLLER, PQFP48 |
| 封装： | 7 X 7 MM, LQFP-48 |
| 文件页数： | 1/27页 |
| 文件大小： | 641K |
| 代理商： | ST72681/R12 |
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January 2007
1/26
Rev. 4.0
ST72681
USB 2.0 HIGH-SPEED FLASH DRIVE CONTROLLER
■ 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 type of NAND Flash devices in-
cluding ST, Hynix, Samsung, Toshiba, Mi-
cron, Renesas.
– Reed-Solomon Encoder/Decoder on-the-fly
correction (4 bytes of a 512-byte block)
– Flash identification support
– Up to 12MB/s for read and 8MB/s for write op-
erations in single channel
– Up to 4 NAND devices supported in a single
channel
■ Embedded ST7 8-bit MCU
■ Supply Management
– 3.3V operation
– Integrated 3.3V-1.8V voltage regulator
■ USB 2.0 low-power device compliant
– Less than 100mA during write operation with
two NAND Flash devices
– Less than 500A in suspend mode
■ Clock Management
– Integrated PLL for generating core and USB
2.0 clock sources using an 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 lan-
guage support
– SCSI strings
– One or two LED outputs
– Adjustable NAND Flash bus frequency to
reach highest performance
■ Code update in the NAND Flash
■ TQFP48 7x7 lead-free package
■ Development support
– Complete reference design including sche-
matics, BOM and gerber files
■ Supports
Windows
XP,
Windows
2K,
Windows ME, Linux and MacOS. Drivers
available for Windows 98 SE
Note 1. Number of NAND devices supported in a single channel.
TQFP48
Features
ST72681/R20
ST72681/R21
USB interface
USB 2.0 High Speed
# of NAND devices
supported
up to 1
up to 4
R/W speed 1)
11MBps/7MBps
12MBps/8MBps
Operating Supply
3.0V to 3.6V
Operating Tempera-
ture
0°C to +70°C
Packages
TQFP48 7x7 / Die form
1
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