USB Flash Drive, USB Hard Drives, Memory Stick, Thumb Drive.

See also:

• http://www.hitex.co.uk/hcc/ EUSB is an embedded usb device stack with drivers for MMC/SD, NAND Flash or Atmel DataFlash. It can be combined with the EFFS-FAT system to allow data storage and retrieval from both the embedded controller and the PC through USB Mass Storage. Royalty free ANSI C source code for AT91SAM7S, LPC2148, and STR71x processors.
• /techref/dos/filesys.htm DOS File Systems
• http://en.wikipedia.org/wiki/USB_Flash_drive
• http://www.embeddedrelated.com/usenet/embedded/show/39326-1.php Comp.Arch.Embedded thread: AVR + USB Memory stick - "USBWiz.. it's a preprogrammed LPC2114 ARM chip used with an ISP1160? There's something a bit sad about using a double-digit MHz 128K 32-bit processor to interface an 8-bit micro with a USB flash drive..."
• http://www.alfat.co.uk/usbwiz.html Through simple commands over UART (921.6 K-baud), SPI (7Mhz) or I2C (400Khz), you can read/write files in FAT 32/16/12 from your thumb drive or SD/MMC card. Accessing USB Human Interface Devices (HID) and USB printers is also as simple.
  • 40 to 50 mA, power consumption with low power mode.
  • Single supply 3.3V with 5V tolerant IO pins.
  • Cost: Chip 25pounds (~$38), dev kit 40pounds (~$60).
  • Supports Low (1.5Mbps) and Full (12Mbps) speed USB.
  • Supports Control, Bulk, and Interrupt Transfers.
  • Provides 2 physical USB ports and 2 device handles.
  • Can open 8 pipes/file handles at once.
  • Easy commands like "CD","MD","RD" for change, make, remove directory; "OF","CF","RF","WF","SF","FF","DF" for Open, Close, Read, Write, Seek, Flush and Delete File.

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