作者: Michael L. Ziegler , William R. Bryg , John F. Shelton
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摘要: A multiple round-robin arbitration scheme for a shared bus system (10) that ensures forward progress by each component utilizing the (12). In system, modules (16, 18, 20, 22) arbitrate control of (12) one or more cycles, and send transactions on during cycles in which they bus. The are divided into set transaction classes. Certain classes cannot be issued certain cycles. other any class may issued. ensuring module seeking to issue given obtains cycle when can