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QPHY-MIPI-CPHY simplifies and automates MIPI C-PHY transmitter conformance testing. It also integrates the CPHYbus DMP option to provide powerful decode and search capabilities, automated measurement and graphing tools, and MIPI C-PHY standard-specific capability for physical layer signal assessment, debug, and eye diagram creation.

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Key Features
  • MIPI C-PHY transmitter conformance testing
    • Fully automated and easy to use
    • Full report generation including pass/fail results
  • Physical layer measurements for MIPI C-PHY signals, including:
    • LP-TX Signaling
    • HS-TX Signaling
    • INIT and ULPS
    • Unterminated voltage measurements
  • C-PHY Triggered Eye Diagram
  • Easily switch from automated conformance testing to interactive debugging


Automated Compliance Testing

QPHY-MIPI-CPHY performs electrical transmitter conformance testing of the MIPI C-PHY physical layer. The QualiPHY framework simplifies test selection and configuration, and automates test execution. Upon completion of the test session, results are automatically compiled into a comprehensive report including screenshots.

Test Coverage

QPHY-MIPI-CPHY provides comprehensive coverage of high-speed and low-power electrical conformance tests as defined in the Conformance Test Suite for C-PHYSM Specification v1.0 and v1.1.

Debug with Intuitive Decoding

The included CPHYbus DMP option enables comprehensive serial decoding of CSI-2 and CSI-2 signals over MIPI C-PHY, for easy transition from conformance testing to debug. A transparent overlay with color-coding for specific portions of each protocol and the entire message frame makes it easy to understand your serial data information. Turn the oscilloscope into a protocol analyzer with a tabular display of decoded information.

Interactive Physical Layer Measurements

CPHYbus DMP also includes interactive control of C-PHY electrical conformance test measurement parameters– enabling CSI-2 or DSI-2 protocol issues to be tracked down to their root cause at the electrical level. Unique measurement and graphic tools also enhance the capabilities of the decode function for even deeper embedded systems analysis.

Eye Diagrams

CPHYbus DMP also easily interactively creates a “triggered” eye diagram of the C-PHY signal, as defined in the MIPI C-PHY specification.


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