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    MIPI Alliance Blog:

    The Wires Behind Wireless

    Sharmion Kerley, MIPI Director of Marketing and Membership

    Sharmion Kerley, MIPI Director of Marketing and Membership

    Recent Posts

    M-PHY v5.0 Driven By Next-Generation Flash Memory Storage Applications

    MIPI Alliance's versatile M-PHY® physical-layer (PHY) interface offers engineers configuration choices and the ability to address multiple markets and use cases with designs for interconnecting components in advanced 5G smartphones, wearables, PCs and even larger systems such as automobiles. A new update to the specification, version 5.0, doubles its peak data rate and positions M-PHY for the next generation of flash memory storage applications.

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    Tags: M-PHY

    MIPI Alliance Releases Updates to C-PHY and D-PHY Physical Layer Interfaces

    MIPI Alliance’s family of specialized, point-to-point, physical layer (PHY) serial interfaces support a variety of chip-to-chip, chip-to-camera and chip-to-display applications that require high bandwidth, low power and low electromagnetic interference (EMI) performance. Each of the PHYs offers unique advantages and features that collectively address the most essential interface requirements for mobile and mobile-influenced designs for use cases such as smartphones, the Internet of Things (IoT) and automotive.

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    Tags: D-PHY, C-PHY

    New MIPI DSI-2 v2.0 Boosts Power Efficiency and Enhances User Experience

    The MIPI Display Serial Interface 2 (MIPI DSI-2℠) specification is already deployed in many of the world’s handsets, smartwatches, virtual reality headsets, laptops, tablets and automobiles. Delivering significant improvements to user experience and power efficiency, a new major update to MIPI DSI-2 is set to dramatically enhance next-generation mobile, automotive, gaming and other display applications. 

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    Tags: Display

    IEEE Adopts MIPI A-PHY – A Conversation with Rick Wietfeldt and Tzahi Madgar

    As announced on 13 July, MIPI A-PHY v1.0 was recently adopted by IEEE, the world's largest technical professional organization dedicated to advancing technology for humanity. 

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    Tags: MIPI A-PHY

    MIPI Security Investigation Group – A Conversation with Philip Hawkes and Rick Wietfeldt

    Formed in 2019, the MIPI Security Investigation Group (Security IG) was established to provide recommendations for a scalable, uniform MIPI security framework and ongoing support model, as well as to offer guidance to MIPI working groups on overarching security requirements, guiding principles and policies, and external threats. 

    Recently the group achieved a significant milestone in evaluating approaches to secure systems-on-chips (SoCs) in automotive electronic control units (ECUs) to peripherals such as cameras, sensors and displays in support of MIPI’s automotive work. As part of this effort, the Security IG conducted a technical and strategic evaluation of DMTF’s Security Protocol and Data Model (SPDM) architecture, which provides message exchange, sequence diagrams, message formats and other relevant semantics for authentication, firmware measurement and certificate management. The evaluation confirmed that the SPDM architecture meets MIPI’s requirements for this use case. We sat down with Philip Hawkes and Rick Wietfeldt, co-chairs of the Security IG, to learn more.

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    Tags: Security

    MIPI Protocol Adaptation Layers (PALs) — A Conversation with Raj Kumar Nagpal

    Update: MIPI A-PHY was adopted as an IEEE standard in June 2021 and is also available as IEEE 2977-2021.

    MIPI Alliance is rolling out a portfolio of Protocol Adaptation Layers (PALs) to support a range of important automotive sensor and display applications—advanced driver assistance systems (ADAS), autonomous driving systems (ADS) and in-vehicle infotainment (IVI), among others. The PALs enable upper-layer protocols such as MIPI Camera Serial Interface (CSI-2®) and Display Serial Interface (DSI-2SM) to be transported over MIPI A-PHYSM, the first industry-standard, long-reach serializer-deserializer (SerDes) physical layer interface.

    Raj Kumar Nagpal, interim chair of the MIPI PHY Working Group and lead of the MIPI A-PHY Subgroup, talks about how the PALs support A-PHY, as well as their contribution to the broader system of MIPI automotive connectivity solutions currently under development.

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    Tags: MIPI A-PHY, PALs