Importance

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Abstract

The system for on-circuit asynchronous communication, between synchronous subcircuits, includes a first synchronous subcircuit regulated by a first clock frequency, which sends requests to a second synchronous subcircut regulated by a second clock frequency. The first subcircuit transmits data to the second subcircuit through a first mesochronous unidirectional communication link, and the second subcircuit transmits availability tokens which report the availability of an additional elementary memory location in the queue situated at the extremity of the first mesochronous unidirectional communication link to the first subcircuit, via a second mesochronous unidirectional communication link. The first subcircuit comprises means of transmission for directly transmitting to the second subcircuit data of a size that is at most equal to the size corresponding to the elementary memory locations available in the queue.

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First Claim