MIPI DSI-2 boost for automotive displays

August 18, 2021 // By Nick Flaherty
MIPI DSI-2 boost for automotive displays
Version 2.0 of the MIPI DSI-2 specification delivers substantial power-saving and user-experience enhancements in automotive display applications

The MIPI Alliance has launched the latest version of its widely implemented MIPI Display Serial Interface 2 (MIPI DSI-2) specification.

MIPI DSI-2 v2.0 delivers significant improvements to the user experience while boosting power savings across far-reaching application spaces such as mobile, automotive and gaming. When coupled with the most recent versions of the MIPI C- and D-PHY physical interfaces, it also offers twice the bandwidth over the previous version.

For automotive applications, DSI-2 (above) is a core component of MIPI’s Automotive SerDes Solutions (MASS), a standardized connectivity framework built on the MIPI A-PHY SerDes specification for camera, sensor and display integration. Of particular note is a 2020 study demonstrating that the use of VDC-M in DSI-2 offers a solution to bandwidth challenges created by the growing number of advanced displays in next-generation vehicles.

The MIPI Display Command Set (DCS) specification, which offers a standardized command set for control functions and supply of data to DSI-2 displays, has also been updated to support v2.0. 

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Specifying the high-bandwidth link between host processors and displays, MIPI DSI-2 helps systems designers deliver the ultra-high-definition (UHD) video experience that their customers seek, while maximizing battery life, and minimizing cost and complexity. Features in the new version enable displays to seamlessly and efficiently operate in a variety of use cases, from high-resolution, high-frame-rate video modes (such as 8K with 120 fps), to responsive, low-latency graphical user interface “command” modes, and static modes—for dramatically improved display performance at the lowest possible power consumption. DSI-2 v2.0 is backward compatible with all previous versions of the specification.

“MIPI DSI-2 is deployed in many of the world’s handsets, smartwatches, virtual reality headsets, laptops, tablets and automobiles, and this significant update delivers the next generation of features required to propel innovation in display technologies,” said Joel Huloux, chairman of the MIPI Alliance.


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