Single event upset fault processing method based on AT697 processor
A fault handling method, the technology of AT697, which is applied in the integration of aerospace electronics and the aviation field, can solve the problems of not providing processing strategies and realizing functions, etc., and achieve the effects of improving reliability and safety, strong portability, and simple processing methods
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[0062] The method of the present invention will be further elaborated below through specific examples.
[0063] The purpose of the present invention is to design and use the spatial single event flipping fault detection interface (EDAC function module) provided by AT697 series processors by software, and take abnormal time processing, active maintenance, and the mode of program design constraint, realize in RAM, EEPROM device The elimination of 1-bit errors in space and the partition processing of multi-bit errors can correct multi-bit errors to the greatest extent, and implement fault-tolerant design for uncorrectable errors, so as to avoid serious errors in system functions caused by spatial single event flipping.
[0064] The software operating environment is:
[0065] Processor: AT697 series processor;
[0067] RAM size: 256MB bytes;
[0068] The software is stored in EEPROM, and the code is copied to RAM to run after power-on.
[0069] ...
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