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From GitBox <...@apache.org>
Subject [GitHub] [incubator-nuttx] davids5 commented on pull request #1042: stm32h7 progmem fixes
Date Thu, 14 May 2020 09:19:13 GMT

davids5 commented on pull request #1042:
URL: https://github.com/apache/incubator-nuttx/pull/1042#issuecomment-628509612


   @jlaitine OK got it. 
   
   >The 64 bit write made our HW unstable because of high current draw peaks which it causes;
there was a warning about this phenomena also ini some ST doc (which I can't seem to find
now). It may be chip version and PCB design dependent whether this issue occurs on others.
I was thinking that maybe it doesn't harm others having smaller write...? We didn't see any
performance issue with the smaller write either, although we didn't test the performance very
thoroughly because of the instability we encountered.
   
   In this case, should we have a workaround config or document the reason for the sub optimal
limit in the code? 
   


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