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Mentor Graphics division unveils new USB class driver

Posted: 19 Oct 2005     Print Version  Bookmark and Share

Keywords:Mentor 

Accelerated Technology, a Mentor Graphics Corp. division, announced the Nucleus USB Modem Communication class driver, an extension to its Nucleus USB software. This new driver helps embedded developers migrate legacy modem applications and build new devices that use the USB standard as a connection medium.

Since USB offers a plug-and-play interface, higher data transfer rates and greater flexibility in terms of hot-swapping, it is rapidly replacing RS-232 for transmitting data, said Accelerated Tech. However, various carrier modulation standards exist for modems to support specific legacy control signals and state variables. To solve these dependencies, it is important that new modems provide an Abstract Control Model (ACM) type communication class interface to the USB host.

The Nucleus USB Modem Communication class driver incorporates the ACM implementation and is released for use with the Nucleus USB host and function stack, which are both USB 1.1 and USB 2.0 compliant. The Nucleus USB Host Modem Communication class driver enables the embedded host to connect with USB ACM-compliant modem device, while the Nucleus USB Function Modem Communication class driver creates the USB ACM-compliant modem device.

The Nucleus USB Host Modem Communication class driver works seamlessly with the Nucleus NET protocol stack and the Nucleus Point-to-Point Protocol (PPP) software. According to the company, this allows the embedded USB host to directly communicate with the Internet via a USB CDC-ACM-compliant modem connection.

The Nucleus embedded software is licensed with source code and without royalty fees. Already available, licenses for the Nucleus USB software start at $14,995 and licenses for the class drivers begin at $2,995.




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