ST72682 USB 2.0高速闪存盘控制器
The ST72681 is a USB 2.0 high-speed Flash drive controller. The USB 2.0 high-speed interface including PHY and function 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-byte on 512-byte data blocks) provides a flexible,high transfer rate solution for interfacing a wide of range NAND Flash memory device types.
The internal 60 MHz PLL driven by the 12 MHz oscillator is used to generate the 480 MHz frequency for the USB 2.0 PHY.The ST7 8-bit CPU runs the application program from the internal ROM and RAM. USB data and patch code are stored in internal RAM. I/O ports provide functions for EEPROM connection, LEDs and write protect switch control.The internal 3.3 to 1.8 V voltage regulator provides the 1.8 V supply voltage to the digital part of the circuit.
ST72682 产品特点
- 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 writeoperations 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)
- 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
ST72682 技术支持与电子电路设计开发资源下载
- ST72682 数据手册 DataSheet 下载.pdf
- ST7 微控制器选型指南.pdf
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