Buffer control system and method for a memory system having outstanding read and write request buffers
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United States of America Patent
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Mar 6, 2007
Grant Date -
Aug 4, 2005
app pub date -
Jan 30, 2004
filing date -
Jan 30, 2004
priority date (Note) -
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Abstract
A memory controller and method for managing the issuance of read and write requests to a system memory is provided. The number of outstanding read requests and write requests issued to the system memory are separately monitored and further issuance of read and write requests to the system memory is separately controlled based on the number of outstanding read and write requests, respectively. For example, the issuance of read and write requests can be managed by independently halting and resuming the issuance of read and write requests to the system memory to maintain the number of outstanding read requests between first and second read thresholds and to maintain the number of outstanding write requests between first and second write thresholds, respectively.
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