Accelerated Technology Offers Mass Storage Class Driver Support for USB

12/3/2003 - Accelerated Technology®, the Embedded Systems Division of Mentor Graphics Corporation (Nasdaq: MENT), announced mass storage class driver support for the Nucleus® USB software, which provides Universal Serial Bus (USB) support for the Nucleus Real-Time Operating System (RTOS). Mass storage class driver support for the Nucleus USB software is an integrated package allowing developers to speed their time to market and focus on adding value to their core product rather than writing the source code for the driver themselves.

USB is a plug-and-play interface, traditionally between a computer and a peripheral, and it is rapidly being adopted in the embedded market space. According to a 2002 Venture Development Corporation (VDC) survey, USB was deployed in 6.9 percent of embedded applications, which increased one year later to 20 percent of embedded applications. With USB, there is no software configuration necessary and it is not necessary to cycle the power or reboot when a peripheral is plugged in. USB can also replace several other types of cables including serial and parallel cables, and USB can actually deliver power to low-powered devices.

The mass storage class driver has been released for use with both the Nucleus USB host stack and the Nucleus USB function/device stack. The mass storage class driver provides a mechanism for an application to access a mass storage device (hard drive and flash media for example) through the Nucleus FILE file management software. The integration with the Nucleus FILE file management software allows the Nucleus USB mass storage software to leverage the media and protocol support already present in the Nucleus FILE software. A typical embedded application that utilizes mass storage on a device would involve data acquisition and control. The data would be buffered to the embedded device temporarily for later transfer via USB to a host.

"With the introduction of mass storage class driver support for the Nucleus USB software, we are able to provide a complete package to our customers enabling them to accelerate their time-to-market for their designs that include USB support," said Robert Day, director of marketing, Mentor Graphics Embedded Systems Division.

The Nucleus USB component is complete, fast, small and portable. It takes advantage of the Nucleus software services and runs on any system supported by the Nucleus PLUS kernel. Drivers will also be available for additional Nucleus software components including the Nucleus NET TCP/IP stack, Nucleus FILE file management software and Nucleus GRAFIX graphics package.

Availability and Pricing
The Nucleus embedded software is licensed with source code and without royalty fees. Available now, licenses for the Nucleus USB software start at U.S. $14,995. For more information, please contact Accelerated Technology at 800-468-6853 or

About Mentor Graphics
Mentor Graphics Corporation (Nasdaq: MENT) is a world leader in electronic hardware and software design solutions, providing products, consulting services and award-winning support for the world's most successful electronics and semiconductor companies. Established in 1981, the company reported revenues over the last 12 months of about $650 million and employs approximately 3,600 people worldwide. Corporate headquarters are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon 97070-7777; Silicon Valley headquarters are located at 1001 Ridder Park Drive, San Jose, California 95131-2314. World Wide Web site:

Accelerated Technology, Embedded Systems Division of Mentor Graphics Corporation, is located in Mobile, Alabama with sales offices and distributors worldwide. By providing embedded systems developers with a focus on service, well-documented source code and industry leading non-royalty based Real-Time Operating Systems (RTOS) software, AT's RTOS software shortens time-to-market and provides a complete solution for engineers. For more information, please visit or email us at

Mentor Graphics, Accelerated Technology and Nucleus are registered trademarks of Mentor Graphics Corporation.

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