The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 2003
Filed:
Apr. 27, 2000
Rajesh Singh, Sunnyvale, CA (US);
LSI Logic Corporation, Milpitas, CA (US);
Abstract
A method and apparatus for arbitrating access to a memory, which has a plurality of banks. The method includes arbitrating with a plurality of processors. Each processor is associated with one of a plurality of data ports and has a plurality of arbitration cycles, including a current cycle and a most recent cycle preceding the current cycle. Each processor receives memory access requests from all of the data ports, wherein each memory access request is associated with one of the memory banks. Each processor selectively grants the data port associated with that processor access to the memory for the current cycle based on the banks associated with the memory access requests of each data port, the data port that was granted access to the memory during the preceding cycle, and the memory bank that was accessed during the preceding cycle.