Circuit for using shared memory, and method of storing determination result of arbitration content of arbitrator of this circuit
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Aug 18, 2014
filing date -
Sep 6, 2013
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Abstract
According to an embodiment, a circuit for using a shared memory is provided, which has a plurality of function circuits, a bus, an arbitrator, and a communication measuring device. Each of a plurality of the function circuits performs a prescribed calculation. The bus communicates an input/output signal of each of the function circuits. The arbitrator assigns a use right of the bus to each of the function circuits. The communication measuring device measures a communication time of each of the function circuits, determines whether or not the measured communication time is within a range of a reference communication time set for each of the function circuits, and stores this determination result in a determination result storage device accessible from outside.
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