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LPC4337 SDRAM read/write works, but crashes at different addresses

Question asked by Sigurd Möller on Aug 18, 2016
Latest reply on Oct 19, 2016 by Bernhard Fink

After a LONG struggle I am finally able to write and read from my external SDRAM.


My verification function goes from 0x28000000 and up. I write start_address+i and verify this for each itteration.


So far I can read/write 100 addresses with success every time. When I try 1000 WORDs it crashes 50% of the time.


What could make my code crash in this case?