Importance

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Abstract

A computer chip includes a data transfer network. The data transfer network comprises a backbone bus, a plurality of communication ports and a plurality of devices or modules each coupled to the backbone bus. Each of the devices includes or is coupled to one or more communication ports. Some of communication ports are operable to transmit and receive data on the backbone bus. Furthermore, the communication ports are interconnected in a ring topology forming a circular bus or a semi-circular bus. A subset of the communication ports may transmit and receive data on the circular bus or semi-circular bus. For the semi-circular bus, the communication ports are not coupled to form a complete ring topology. The communication ports may be operable to communicate with each other over the backbone bus and/or the circular bus. Each of the communication ports includes backbone bus interface logic, circular bus interface logic, one or more data transfer buffers and/or control logic. The communication ports are preferably able to transfer communications between the backbone bus, the circular bus and/or the modules.

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First Claim