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Reducing Power Consumption in Mobile Applications with High-Speed Gear3 MIPI M-PHY IP

Mobile systems require increasing data volume for multiple chip-to-chip interfaces. The high-speed MIPI® M-PHY is tailored for mobile systems where performance, power, and efficiency are key criteria. With up to 5,824 Mbps bandwidth, the speed meets devices’ high bandwidth and scalability requirements. The M-PHY is designed to accommodate the intermittent nature of inter-chip communications and employs burst operation to toggle between data transmission and power saving states, effectively reducing power consumption.

This white paper discusses how a MIPI M-PHY using High-Speed Gear3 operation can provide power-efficient high-speed links for a variety of mobile chip-to-chip communication standards and protocols, such as JEDEC Universal Flash Storage (UFS), USB 3.0 SuperSpeed Inter-chip (SSIC), and PCI-SIG M-PCIe®, each of which are optimized for its particular purpose. The paper then explains how designers can solve signal integrity challenges in implementation, including channel loss, interconnect, and electromagnetic interference (EMI) issues.


    I. Introduction
    II. MIPI M-PHY basics
        a. Architecture
        b. Transmission modes and speeds
        c. Clocking flexibility
        d. Multiple power savings
        e. Burst operation
    II. M-PHY-based chip-to-chip communication protocols in mobile applications
    III. Solving signal integrity challenges
        a. Correcting channel loss and interconnect impairments
        b. Reducing EMI issues
    IV. Conclusion

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