Importance

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Abstract

A computer chip includes a plurality of modules interconnected in an on-chip data transfer network configured in a circular topology to form preferably a plurality of traffic circles. The various modules may be processors, memories and/or hybrids and may include, or be coupled through, a communications port coupled to one of the buses such that the communications port is operable to transmit and receive data on one of the buses. Each of the communications ports is operable to route data from a source bus to a destination bus. The traffic circles are formed by groups of communications ports, and buses or groups of transfer paths. The buses may be operable to transfer data in only one direction or in two directions. The transfer of data on the buses by the modules may be controlled by an on-chip bus controller coupled to one or more of the buses. The bus controller may also include arbiter logic for arbitrating access to one or more of the plurality of buses. One or more of the plurality of communications ports may be further operable to transfer data from one of the buses to a bus connection operable to route data to a device external to computer chip. One or more of the plurality of buses includes addressing and control lines.

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First Claim