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Module adds USB flash connectivity to devices

Posted: 05 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:flash memory? USB? FTDI? Vinculum? controller?

VDRIVE2 USB <a href=flash disk interface module from FTDI" ALIGN="RIGHT">

Future Technology Devices International Ltd (FTDI) has announced the availability of VDRIVE2, a USB flash disk interface module based on the company's Vinculum integrated USB host controller IC.

The module is suited to adding USB flash disk connectivity to a broad range of industrial or commercial products that previously did not have a USB interface. Typical usage includes data capture and transfer, diagnostic analysis and software updates. Only four signal lines, a 5V supply and ground are required to be connected to the attached device, speeding design-in to both existing or new product designs.

VDRIVE2 is packaged in a neat, snap-in plastic enclosure with a bicolor LED providing power and status indication along with a single USB type A socket. The module is also suitable for use as a development and evaluation platform for the Vinculum IC.

Both UART and SPI interfaces are provided and are selected by use of on-board jumpers. Program and firmware updates can be made via these interface options or by inserting a USB flash disk. Vinculum's Disk and Peripheral firmware (VDAP) is used to control all its USB mass storage class interface functions. An extended ASCII command set is used in terminal mode during design and evaluation while a short hexadecimal command set is used when connected to a microprocessor or MCU. Vinculum handles the file allocation table (FAT) structure transparently, further simplifying the task of file handling.

Also available from FTDI is the VMUSIC2 module. Based on the VDRIVE2, it offers the addition of a VLSI VS1003 IC to provide audio playback capability. MP3 and other popular digital music file formats can then be played back directly from an attached USB flash disk.

VMUSIC2 module from FTDI

This unit adds to the possible range of finished products that previously did not have the hardware resources available for USB interfacing. Potential applications for VMUSIC2 include operator instruction, multilingual safety announcements and music playback.

FTDI will showcase its VDRIVE2 and VMUSIC2 products at the 12th International IC-China Conference & Exhibition in Shenzhen, Beijing and Shanghai on March 5-14.

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