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Whats the best way to check for power off cycle in lpc13xx

Question asked by Hot Dog on Sep 26, 2016
Latest reply on Sep 27, 2016 by Mike Simmonds

I have a project using lpc1343 and fm25l04 (an spi based FRAM memory). To keep the data safe during power off cycle its best to keep the CS signal high. Is there any routine in uC to invoke interrupt, when voltage goes below a certain threshold (e.g. 2.8V) ?