MIPI Alliance Releases UniPro v3.0 and M-PHY v6.0, Accelerating JEDEC UFS Performance for Edge AI in Mobile, PC and Automotive
New versions enable twice the previous data rate and gains in efficiency and scalability for flash storage applications
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MIPI UniPro v3.0 and M-PHY v6.0 accelerate JEDEC UFS performance for edge AI in mobile, PC and automotive, and enable twice the previous data rate and gains in efficiency and scalability for flash storage applications.
“For more than a decade, M-PHY and UniPro have served as the interconnect layer for JEDEC UFS, enabling high-performance, low-power flash storage across a broad range of devices,” said
MIPI M-PHY v6.0 Enhancements
The latest version of the performance-driven physical layer interface, MIPI M-PHY v6.0, introduces:
- A high-speed gear (HS-G6) using PAM4 signaling scheme, doubling the bandwidth of the interface to a maximum of 46.694 Gbps per lane
- New 1b1b line encoding for HS-G6, significantly improving throughput efficiency by reducing PHY coding overhead
- An optional link equalization and training feature to enable greater performance margin and enhanced interoperability
The specification is backward compatible with M-PHY v5.0.
MIPI UniPro v3.0 Enhancements
MIPI UniPro is an application-agnostic transport and link layer used to interconnect chipsets and peripheral components. The principal updates in version 3.0 include:
- Support for data speeds of up to 46.6 Gbps per lane per direction, based on M-PHY v6.0 high-speed gear 6 (HS-G6) and its new high-efficiency 1b1b encoding scheme
- New transport framing structure (TFS), Reed-Soloman forward error correction (RS-FEC), 64-bit cyclic redundancy check (CRC), TFS data scrambling, gray coding, precoding and lane alignment features
- The introduction of a link equalization training procedure to help the application layer identify optimal Tx equalization settings
- New features that enable UniPro interconnects over the new M-PHY v6.0 HS-G6 to operate at a bit error rate (BER) of less than 10-22 at the application layer
- Mandated support for high-speed link start up (using M-PHY HS-G1 Rate A), reducing link start up latency
The specification is backward compatible with UniPro v2.0.
Collaboration with JEDEC
With MIPI UniPro v3.0 and M-PHY v6.0 providing the interconnect layer, the forthcoming JEDEC UFS 5.0 is optimized for AI-enabled mobile and other edge devices with enhanced speed, security and signal integrity. These latest releases continue the longstanding collaboration between
Companies participating in the MIPI UniPro and M-PHY working groups include:
Upcoming Webinar and Support Resources
MIPI and JEDEC are offering a webinar “The Evolution of UFS: Leveraging M-PHY v6.0 and UniPro v3.0 for Next-Generation Performance, Power Efficiency and Reliability” on
To keep up with
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