Functional device, function maintaining method and function...

Details Functional device, function maintaining method and function... Functional device, function maintaining method and function...

2004-12-28

2008-10-07

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07434086

ABSTRACT:
This invention relates to a functional device such as an FPGA carrying out a necessary function by programming, and provides a functional device, a function maintaining method and a function maintaining program which can maintain a function continuously. A plurality of function parts (FPGAs) is provided, and a function is maintained by switching from a function part, in which a failure is occurring, to a function part under stand-by. The plurality of function parts, a failure detection part (failure detection circuits) and a switching part (switching circuits) are provided, and a function part under operation and a function part under stand-by a reset. That is, the function part in which the failure is occurring is made into a stand-by state, and the function part which is under stand-by is made to operate. Therefore, the continuous function can be maintained without stopping the operation of a system due to the failure occurring in the function part, and the reliability of the system is heightened by the maintenance of the function.

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