Multiple processor interface, synchronization, and arbitration scheme using time multiplexed shared memory for real time systems
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Dec 21, 1999
filing date -
Dec 21, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arbitration and synchronization method and system for allowing multiple processors to access a shared memory includes an arbitrator. The arbitrator is operable with the processors for enabling each of the processors exclusive access to the memory for a predetermined time period on a rotating basis. In operation, a time period of a time frame is associated with each of the processors. The time periods of the time frame are then counted. The arbitrator then enables a processor to have exclusive access to the shared memory for the time period associated with the processor when the counted time period is the time period associated with the processor.
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