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Abstract

Disclosed is a method and apparatus for designing re-useable interfacing logic hardware shells which provide interface functions between a hardware core and one or more busses. An interface logic hardware shell provides previously characterized, tested and implemented interface logic designs for use in future applications with little or no redesign. The hardware circuitry (cells) of which such shells are comprised includes circuitry for bus interface units, memory interface units, buffers, and bus protocol logic. The cores for which the shells provide interface functions include CPU cores, memory cores, digital video decoding cores, digital audio decoding cores, ATM cores, Ethernet cores, JPEG cores and other data processing cores.

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First Claim