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The MIPI Alliance has released MIPI Touch, a family of publicly available specifications that work together to enable faster, more flexible design and implementation of touch applications in smartphones, tablets, laptops and more. Any organization, including companies that are not currently members of MIPI Alliance, can access MIPI Touch to evaluate its use in touch integration plans.

MIPI Touch is a systems-level solution that ties together several key MIPI Alliance specifications used for touch, sensor and software integration and as such, it provides conveniences and new market opportunities for companies and developers across our membership, said Joel Huloux, chairman of MIPI Alliance. By opening access to non-member organizations, we hope to further broaden adoption of MIPI Touch in the mobile ecosystem and spur innovation for touch applications.

The touch market is significant, with about two billion touch panel modules expected to ship this year for a range of mobile and other device platforms, according to IHS Markit, a global business information provider. Integrating touch technologies has been time consuming and costly, however, due to the industry's reliance on vendor-specific, proprietary touch interfaces and the incompatibility of software drivers across operating systems.

The MIPI Touch family of specifications alleviates these challenges with a standardized write once approach, where developers require only a single command set to write a single device driver that can be used across operating systems for touch implementations in smartphones, tablets, PCs and automotive applications.

MIPI Touch is ideal for new designs that use the versatile MIPI I3C sensor interface specification for touch applications. Developers expected to use MIPI Touch include application processor companies and those that design or integrate touch sensors, among others.

The family of specifications includes four components:

- The MIPI Touch Command Set (MIPI TCS), a set of high- level commands that harmonize the writing of device drivers across operating systems.

- The MIPI Touch Adaptation Layer for I3C (MIPI ALI3C), which translates the touch commands for use on the MIPI I3C protocol.

- The MIPI I3C Host Controller Interface (MIPI I3C HCI), an optional specification for advanced systems that makes it possible to use touch commands and multiple data streams to add differentiating touch features to a design. Application processor companies can apply the specification to standardize the HCI method used in their devices. - The MIPI I3C v1.0 specification, which connects an application processor to a touch sensor.

MIPI Touch provides significant technical performance benefits. When all four specifications are used as a solution, it will yield the highest throughput and lowest latency for touch products. The specifications are versatile, offering developers design flexibilities that make touch very convenient to implement.

Standardizing the way touch design and implementation are done will yield significant engineering and cost savings for companies, said James Goel, vice chair of the MIPI Display Working Group. The interoperability MIPI Touch provides will reduce development costs for application processor companies and touch sensor manufacturers while giving system developers opportunities to source components from multiple suppliers. And ultimately consumers will benefit from the superior performance MIPI Touch brings to their devices.

About MIPI Alliance

MIPI Alliance (MIPI) develops interface specifications for mobile and mobile-influenced industries. There is at least one MIPI specification in every smartphone manufactured. Founded in 2003, the organization is celebrating its 15th year of moving mobile forward with over 300 member companies worldwide and 14 active working groups delivering specifications within the mobile ecosystem. Members of the organization include handset manufacturers, device OEMs, software providers, semiconductor companies, application processor developers, IP tool providers, test and test equipment companies, as well as camera, tablet and laptop manufacturers.

For more information, visit or call 303/888-2137.
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Publication:Electro Manufacturing
Date:Jun 1, 2018

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