Aiming at the problem of FPGA multi-version program loading caused by the miniaturization design of airborne platform,a new method of FPGA multi-version program loading is proposed.Based on the hardware architecture of MCU+CPLD+FPGA,the method of online update+continuous storage is used to solidify the multi-version program,and the ICAP3 soft reset boot mode is used to start the FPGA program version in any address segment.The reliability of program loading is ensured through the multi-grip system.The hardware implementation of this scheme is simple.Compared with the traditional way,the version of the stored FPGA program has been greatly improved,and has been successfully applied in many projects.
Key words
FPGA /
program load /
ICAP3
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