SimPASS USB, a software option for the Teledyne LeCroy Voyager M4x Protocol Analyzer, brings the powerful data traffic analysis capabilities commonly used for post-silicon testing to the simulation environment. Users of cutting-edge simulation tools can now export and view test vectors directly in the Teledyne LeCroy trace viewer.
SimPASS USB allows RTL simulation vector files (that describe USB I/O traffic in the pre-silicon phase) to be displayed and analyzed in the same way as hardware-derived trace files in the post-silicon phase. By extracting features that show potential flaws in data and transaction packets from the I/O stream, SimPASS enables developers to more completely test and debug the logic design before committing the design to silicon. Issues such as flaws in power state transitions, improper credit flow exchanges and marginal timing handshakes can be discovered, tracked to their source, and resolved, resulting in faster time-to-market and lower development costs for SoCs. During any redesign cycle, fixes for bugs (identified in the previous cycle using the Teledyne LeCroy USB Protocol Suite analysis software) can be verified by testing the fixes during simulation using the SimPASS software.
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