Zycad Corporation

John Dunn

Bijan Kiani-Shabestari

Shaun Lytollis

The use of daughterboards connecting to a motherboard in an emulation system allows for the upgrading of the emulation field programmable gate arrays in the system, and for the use of different types of field programmable gate arrays. These changes can be made without changing the motherboard. The motherboard has sockets which have pin locations which are allocated to interconnect structures and to an emulation bus. The chips on the cards can contain different emulation field programmable gate arrays, or could contain core chips, which can be directly connected to the motherboard through the daughterboards. The daughterboards connect the emulation FPGAs and the core chips to the correct pin locations of the sockets. Controller chips on the cards allow for different types of field programmable gate arrays to be used and simplify the configuration loading and debugging of the system. Additionally, the present system includes a system using a reconfigurable interface in a controller chip. This reconfigurable interface allows for different types of field programmable gate arrays to be used in the emulation system.

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Reading, United Kingdom

John Dunn