[sdiy] Flash Memory Read Disturb

Scott Gravenhorst music.maker at gte.net
Thu Jun 8 20:22:00 CEST 2017


With many devices having Flash program memory, I wonder about read disturb,
specifically, about leaving such devices powered up and running at full
clock speed.  I've just started to play with a STM32F746NG which has Flash
program memory and I wonder if there is a read disturb problem with it or
if it's immune.  I tend to leave musical devices run, as in turn it on and
leave it on.  

Does anyone here know it that is risky?  I had read about read disturb some
few years ago working on a project that wanted NAND Flash which looked
problematic with respect to read disturb.  Looking at the STM32F746NG
datasheet, I'm not finding a reference to the type of Flash in the device
and I'm not sure whether NOR Flash (if that is what is used) has a similar
issue.

-- ScottG
________________________________________________________________________
-- Scott Gravenhorst
-- http://scott.joviansynth.com/
-- When the going gets tough, the tough use the command line.
-- Matt 21:22




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