Hardware2 hOctober 15, 2026, 14:02

Arm develops AMBA C2C, a converged chiplet connectivity standard for AXI and CHI

Arm is developing AMBA C2C, a converged specification that unifies AXI and CHI protocols for chiplet and chip-to-chip connectivity instead of separate point solutions. The spec will be free, royalty-free and architecture-neutral, with transports like UCIe handling die-to-die links.

Semiconductor Engineering

Open source

Arm develops AMBA C2C, a converged chiplet connectivity standard for AXI and CHI

AMBA C2C unifies AXI and CHI into one chiplet connectivity foundation
Protocol subsets scale functionality and implementation complexity
Specification will be free, royalty-free and architecture-neutral
UCIe and other die-to-die transports carry the protocol

#ARM#AMBA#UCIe

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