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Low-cost USB 2.0 protocol analyser combines high speed with advanced protocol decoders


USB Explorer

The new Ellisys USB Explorer 200, now available from Computer Solutions, is a low-cost, high-speed, non-intrusive full USB 2.0 protocol analyser. It allows users to display the bus states, the contents of packets and whole transactions sent, decode the descriptors, detect errors and incompatibilities in devices or drivers, and measure their performance.

The Explorer 200 is a fully USB 2 compliant analyser which is able to operate at all the USB speeds - 1.5 Mbit/s, 12 Mbit/s and the 'high-speed' 480 Mbit/s. It will automatically detect the speed being used and adjust to it.

An important new feature of the analyser is a set of USB protocol decoders, including mass storage (as used by Flash disks, USB drives etc.), still image (used by digital cameras), video (used by Webcams), audio (used by speakers and audio systems), human interface devices (used by mice, keyboards, joysticks etc.), printers, Bluetooth devices and communication systems (used by modems, Ethernet adaptors etc.).

The unit will also decode the 'On the Go' protocol, as used by USB peripherals communicating in the absence of a PC, such as a camera that prints directly to a printer. Other advanced features include field validation, context extraction and user-friendly data decoding.

In operation, the analyser is connected between a USB host and any USB peripheral. It then provides a detailed view of the traffic on the line. As the data packets are captured, the real-time statistics display provides a check on the transactions status even before the individual packets are viewed.

The USB transactions and transfers are displayed in a chronological list together with the peripheral's address and the endpoint number. A second window gives details of the selected item. To make it easier to identify specific packets, the software provides filtering and packet colour coding functions.

The Explorer 200 is very simple to use, making it the ideal companion for anyone developing USB devices, hosts, embedded software or drivers. It can be used by those developing devices that use the protocols to help with the development, or by those using the protocols within applications by hiding the detail and just showing the data areas.

Its low price makes the unit affordable on a 'one unit per engineer' basis for USB development teams.

 

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Computer Solutions Ltd. is the UK's premier supplier of microprocessor development tools. It supplies a wide range of software and hardware tools that support over 100 different microprocessor families. Hardware products include: BDM and JTAG interfaced debuggers, In-circuit emulators , EPROM emulators USB, Ethernet, RS232 & CAN analysers and device programmers. Software tools include: assemblers, debuggers, compilers, real-time executives, TCP/IP stacks and other high-level protocol libraries.

With 25 years' experience, Computer Solutions Ltd. has unrivalled expertise in embedded tools, consultancy and support.

For further colour photographs, graphics, technical or marketing information,

            Contact: Chris Stephens, MD, Computer Solutions Ltd
            Tel: 01932 355630
            email: sales@computer-solutions.co.uk
            web: www.computer-solutions.co.uk

Press releases are available by email if you wish - send your request to sales@computer-solutions.co.uk

For more information on the Explorer 200:

         Explorer 200             Ellisys's Web Site

 

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Email: sales@computer-solutions.co.uk      Web: www.computer-solutions.co.uk
 
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