Release of UCIe 1.1: Chiplet/die interconnect specification to promote functional enhancement in the automotive field

News from this site on August 9, UCIe is an open small chip/core interconnect protocol, the UCIe Alliance consists of AMD, Arm, ASE, Google Cloud, Intel, Meta, Microsoft, Ten companies including Qualcomm, Samsung and TSMC were established in March 2022. The alliance was established to promote the standardization of Chiplet interface specifications and currently has more than 100 members.

Recently, the UCIe Alliance officially released the UCIe 1.1 specification, which mainly expands the reliability mechanism, provides functional improvements, and targets Automotive domain enhancements. Additionally, the UCIe Alliance established a new Automotive Working Group to address the needs of the automotive industry.

According to reports, the UCIe 1.1 specification extends the reliability mechanism to more protocols and supports a wider range of usage models; also includes Additional enhancements for automotive use such as predictive failure analysis and health monitoring, as well as enabling lower cost package implementation.

The specification also details the architectural specification attributes to define system settings and registers that will be used in test plans and compliance testing to ensure device interoperability

The following is a summary of the highlights of the UCIe 1.1 specification on this site:

• Compliance testing has passed the implementation of the architecture specification enhancements

• Supports multi-protocol and full link layer functions simultaneously to support streaming protocols

• This sentence can be rewritten as: Runtime health monitoring and repair technology is suitable for automotive and High-reliability applications

• Packaging costs are reduced due to new bump mapping

UCIe Alliance President Dr. Debendra Das Sharma said: "As the industry evolves around UCIe technology, the UCIe Alliance is fulfilling its mission to build a vibrant chiplet ecosystem. The UCIe 1.1 specification was developed by industry leaders to advance the chiplet ecosystem and Addressing the huge demand for full-stack streaming protocol enhancements We are proud of the progress we have made with this release to achieve our vision and build a strong compliance program.”

The UCIe 1.1 specification is now open to the public for review, while maintaining full backward compatibility with the UCIe 1.0 specification

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