Emulation system with improved reliability of interconnect and a method for programming such interconnect
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United States of America Patent
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Feb 17, 2015
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N/A
app pub date -
Dec 8, 2011
filing date -
Dec 8, 2011
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Abstract
A method and apparatus for redundant communication channels in an emulation system is disclosed. A processor-based emulation system has a plurality of emulation chips on an emulation board. The emulation chips have a plurality of processor clusters. Signals are sent over one or more communication channels between processor clusters, including from a processor cluster on one emulation chip to a processor cluster on another emulation chip. Copies of the same signal may be sent in duplicate over separate communication channels. If a communication channel failure is detected, instruction memory is modified so that a processor cluster's instructions no longer address a first cluster memory location, but instead address a second cluster memory location of a non-failed communication channel. By using redundant communication channels, emulation system interconnect reliability is increased and recompilation of the design under verification may be avoided.
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