Emulation of circuits with in-circuit memory
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United States of America Patent
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Oct 23, 2007
Grant Date -
Dec 16, 2004
app pub date -
Jun 10, 2003
filing date -
Jun 10, 2003
priority date (Note) -
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Abstract
Methods and apparatuses for emulating a circuit design that includes an in-circuit memory. Sets of reconfigurable logic resources are configured to emulate a logic element of a circuit, where the circuit may include a plurality of logic elements. A memory resource is configured to emulate a portion of the in-circuit memory. Reconfigurable interconnect resources are configured to interconnect the sets of configurable logic resources to the memory resource by way of a memory access arbiter. The memory access arbiter is configured to arbitrate and serialize accesses for the memory resource by the sets of reconfigurable logic resources in an emulation cycle, in accordance with associated priority levels. The priority level of the set of reconfigurable logic resources may be dependent on timing requirements of the set of reconfigurable logic resources and on timing characteristics of the associated logic element of the circuit.
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