Flow control method to improve bus utilization in a...

Details Flow control method to improve bus utilization in a... Flow control method to improve bus utilization in a...

2007-07-17

2007-07-17

Myers, Paul R. (Department: 2111)

Electrical computers and digital data processing systems: input/

Access arbitrating

Centralized arbitrating

Reexamination Certificate

active

11055922

ABSTRACT:
A system-on-chip (SoC) integrated circuit (IC) has reduced bus contention and improved bus utilization. The SoC IC includes a bus controller. Masters interconnected with the bus controller issue requests for data and receive requested data in response to the requests. Slaves interconnected with the bus controller receive the requests for data and provide the requested data to the requesting masters. Control signals issued by the bus controller indicate to each slave which masters are not ready to receive the data it requested from that slave. The slaves delay transferring data to any masters that are not ready for the requested data, and provide data to different masters that are ready to receive the data they requested from the slaves.

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PCI Local Bus Specification, Revision 2.2, Dec. 18, 1998.

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