The Beagle™ USB 480 Protocol Analyzer is a low cost, non-intrusive High-speed USB 2.0 bus monitor that now includes real-time USB class-level decoding.
The Beagle USB 480 analyzer is capable of capturing, and interactively displaying high-speed USB bus-states and traffic in real-time with timing at 16.7 ns resolution and comes complete with software and royalty-free API.
Thanks to an on-board 64 MB buffer, sustained bursts of 480 Mbps traffic can be captured with no loss of data.
Real-time capture and delayed-download capture
The Beagle USB 480 Protocol Analyzer has two different capture modes: real-time capture and delayed-download capture.
The real-time capture mode allows developers to see all the high-speed data over USB as it happens.
As the data is streamed in real-time, the capture size is only limited by the amount of RAM available on the analysis computer.
The delayed-download capture can be very useful in certain situations, such as when the Beagle USB 480 Protocol Analyzer is on the same high-speed bus as the target device.
In these configurations, the Beagle analyzer is able to consume minimal USB bandwidth so that it does not obscure problems that occur only when the target is operating at the full USB bandwidth.
USB Class-Level Decoding
Real-time USB class-level decoding in the Data Center Software is available with the Beagle USB 480 Protocol Analyzer
High-Speed USB Chirp Detection
The Beagle USB 480 Protocol Analyzer can capture and display the K and J chirp patterns used in high-speed speed negotiations.
Automatic Speed Detection
The Beagle USB 480 Protocol Analyzer is able to robustly and reliably detect the correct speed of the USB data it is monitoring.
Hardware-based packet suppression
A hardware input filter is available to suppress packets in order to reduce the amount of data captured. The filter can remove empty packet pairs such as IN/NAK and PING/NAK pairs.
Digital I/O for synchronizing
To assist in identifying problems, the Beagle USB 480 Protocol Analyzer provides four digital inputs that allow users to capture additional hardware events in-line with the captured USB data from the target device.
Four digital outputs are available to provide for synchronization of the Beagle analyzer with scopes and logic analyzers. These digital outputs are able to match patterns in the captured data as well as idle bus states.
Detect Bus Events and Unexpected Signals
The Beagle USB 480 Protocol Analyzer can intelligently detect suspend and resume events as well as unexpected signals on the bus.
Packet-Level Timing
Get packet-level timing with 16.67 ns resolution.
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