Technical Overviews
Keysight Technologies
MIPI® D-PHYSM Protocol Triggering and Decode for Infiniium Series Oscilloscope
Technical Overview
MIPI® D-PHYSM Protocol Using Your Infiniium Oscilloscopes
MIPI serial buses are the backbone for communication in mobile products. The serial bus interface provides content-rich points for debug and test. However, since these protocols transfer bits serially, using a traditional oscilloscope has limitations. Manually converting captured 1’s and 0’s to protocol requires significant effort, can’t be done in real-time, and includes potential for human error. As well, traditional scope triggers are not sufficient for specifying protocol-level conditions. Extend your scope capability with the Keysight Technologies, Inc. MIPI D-PHY triggering and decode application. This application makes it easy to debug and test designs that include MIPI D-PHY buses using your Infiniium Series oscilloscope.
– Perform MIPI D-PHY multilane protocol decode which includes 1, 2, 3 and 4 lane design implementations
– Set up your scope to show MIPI D-PHY protocol decode in less than 1 minute.
– Get access to a rich set of integrated protocol-level triggers.
– Save time and eliminate errors by viewing packets at the protocol level.
– Use time-correlated views to quickly troubleshoot serial protocol problems back to their timing or signal integrity root cause.
D-PHY Setup, Protocol Triggering and Search Capabilities
Get access to a rich set of integrated protocol-level triggers. The application includes a suite of configurable protocol-level trigger conditions specific to MIPI D-PHY. When serial triggering is selected, the application uses software-based triggering. With software-based protocol triggering, the oscilloscope takes signals acquired using either scope or digital channels and reconstructs protocol frames after each acquisition. It then inspects these protocol frames against specified protocol-level trigger conditions and triggers when the condition is met.
D-PHY Multilane HS Protocol Decode
Keysight MIPI D-PHY protocol decoder software provides multilane decode up to 4 data lanes. User can select number of data lane from 2 to 4 lanes. However, due to oscilloscope’s channel limitation, multilane decode will use recovered clock instead of existing clock in D-PHY. Also same reason, multilane decode will support only HS data decoding, not LP data.
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