Accelerated Technology Rolls Out Nucleus USB Ethernet Class Driver

5/13/2004 - Accelerated Technology(r), the Embedded Systems Division of Mentor Graphics Corporation (Nasdaq: MENT), announced a new class driver for the Nucleus(r) USB software, which provides Ethernet over USB support for the Nucleus Real-Time Operating System (RTOS). This new Nucleus USB Ethernet communication class driver further extends the Nucleus USB product line allowing developers to focus on adding value to their USB applications rather than writing driver software.

The Nucleus USB Ethernet communication class driver has been released for use with the Nucleus USB function (peripheral device) stack, which is both USB 1.1 and USB 2.0 compliant. The new class driver enables a USB-attached peripheral to offer Ethernet-like networking over USB with low cost, high performance and plug-and-play advantages.

The Nucleus USB Ethernet communication class driver is compliant with two USB class driver standards, Communication Device Class (CDC) Ethernet and remote Network Driver Interface Specification (RNDIS), for Ethernet over USB. The CDC Ethernet class is issued by the USB forum to support USB-enabled networking devices that use or communicate with non-Microsoft operating systems. The RNDIS class is officially supported by Microsoft to allow standard, in-the-box network support for network adapters on external plug-and-play buses such as USB and InfiniBand.

Typical applications using the Nucleus USB Ethernet communication class driver include a USB network modem, set-top box, residential gateway, Ethernet-to-USB converter/adapter and other communication devices using USB to convey network traffic to the host.

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 and licenses for the class drivers begin at U.S. $2,995. 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 $675 million and employs approximately 3,700 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 including kernels, middleware, prototyping software, development tools and modeling software, AT's suite of products shorten time-to-market and provide 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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