MIPI DSI 2.0 C/D-PHY Intelligent Analyzer


  • Compliant with MIPI Display Serial Interface
  • Supports Command and Video Mode
  • 2.5 Gbps D-PHY and 2.5Gsps C-PHY data transfer rate per data lane
  • Scalable 1 to 3 data lane configuration in C-PHY, 1 to 4 in D-PHY
  • Supports detailed protocol testing including full use case scenarios
  • Support detailed low-level C-PHY debug, including wire states, symbols, and PHY data
  • Self-checking, seed–based test case generation
  • Complex event-based transaction capture for detailed self-checking and debug
  • Scoreboard received data and errors for off-line debug and statistical analysis
  • Advanced test creation environment with portability to pre-silicon and repeatable test cases, using DSI-2 test suite.


DSI Protocol CapabilitiesDSITool

  • Compliant with MIPI Display Serial Interface (DSI v2.0) & C-PHY (v1.0) specifications
  • Supports MIPI DSI Transmitter Protocol Conformance (v1.04) with Test Suite
  • Provides MIPI DSI-2 analyzer capabilities
  • Supports 80Msps to 2.5 Gsps data transfer rate per C-PHY Data Lane in HS mode
  • Supports LPDT and RLPDT operation from 1-10MHz.
  • Scalable 1 to 4 Data Lane configuration
  • Virtual channel support
  • Supports Generic and DCS commands
  • Operates in continuous and non-continuous clock modes
  • Supports Command and Video modes
  • Supports Burst and non-Burst with sync event modes
  • Low level C-PHY wire state capture/debug capability
  • Video Mode for fast multi-frame capture and compare on the fly
  • Fully supports bit error detection, correction, and handling of error packets
  • Supports Triggers
  • Robust event-based debug
  • Supports tearing effect commands

Regressions, Debugging, and CoverageDataLogger

The DSI-2/CPHY IA has a robust event-based infrastructure that is used for capturing detailed data during execution of tests. Using this data, real-time viewing of DSI-2 & CPHY operation is simple. For example, time-correlated viewing of CPHY and DSI-2 events, both HS and LP, including errors. Also, per-lane C-PHY wire states, symbols, and PHY output data can be viewed and correlated with high-level protocol, to debug lane errors for example.

The DSI-2/CPHY IA comes with a test suite that can be the basis of a DSI-2 CTS regression suite. The DSI-2/CPHY IA has a powerful programming API that accesses all of the instrument capabilities, and provides for thorough self-checking using events and statistics. A basic GUI is also available, including a data-logger for regressions.

In addition, the same event infrastructure can be used to build a functional coverage model. This model can be imported into a UCDB – Unified Coverage Data Base – that may be shared with pre-silicon, or into a separate post-silicon database.


DSI 2.0 w/C-PHY Intelligent Analyzer datasheet is available here.