Patent ID: 7797664

Claim:
A system for configuring an integrated circuit comprising: a reconfigurable integrated circuit, a memory device for configuring which holds a plurality of different circuit configurations to be realized on the reconfigurable integrated circuit, the circuit configurations having identical functions but having different performance depending on different probability variables, a memory device for testing which holds test data to be achieved by the circuit configurations for respective functions, a test device for performing a test based on the test data, a memory device for circuit control which holds operating information of the reconfigurable integrated circuit corresponding to the circuit configuration, a circuit control device which controls operation of the reconfigurable integrated circuit based on the operation information corresponding to the circuit configurations for the respective functions being held by the memory device for circuit control, the circuit control device comprising: at least one clock signal generator capable of generating clock signals with a plurality of frequencies to supply the reconfigurable integrated circuit with at least one clock signal, and at least one voltage generator capable of generating multiple source voltage values to supply the reconfigurable integrated circuit with at least one source voltage value, wherein the reconfigurable integrated circuit, the memory device for configuring, the circuit control device, the memory device for testing and the test device comprise a mutually communicating means.