Arm’s Chiplet System Architecture eyes ecosystem sweet spot
By Majeed Ahmad, EDN (January 27, 2025)
Arm has announced the availability of the first public specification drafted around its Chiplet System Architecture (CSA), a set of system partitioning and chiplet connectivity standards harnessed in a design ecosystem supported by over 60 companies. The companies that are part of the CSA initiative include ADTechnology, Alphawave Semi, AMI, Cadence, Jaguar Micro, Kalray, Rebellions, Siemens, and Synopsys.
CSA aims to offer industry-wide standards and frameworks by facilitating the reuse of specialized chiplets, and thus address the fragmentation caused by compatibility issues in chiplet design. It provides a shared understanding of defining and connecting chiplets while developing composable system-on-chips (SoCs).
A couple of recent announcements show how semiconductor firms are employing CSA to build chiplets as part of Arm Total Design, a platform for deploying chiplet-based compute subsystems. Arm Total Design facilitates custom silicon solutions powered by Arm Neoverse Compute Subsystems (CSS), which includes processor cores, IPs, software, and design tools.
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