[En-Nut-Discussion] flashrom endurance

Jesper Hansen jesperh at telia.com
Fri Feb 18 22:07:36 CET 2005

I don't even think Atmel has reached that limit.
One of the Norway guys reprogrammed an 8515 more than a million times, 
tiring and giving up.

You will never see the flash fail due to overprogramming when using the chip 
hobby or other normal use.


----- Original Message ----- 
From: <qdg at physics.ubc.ca>
To: <en-nut-discussion at egnite.de>
Sent: Friday, February 18, 2005 8:50 PM
Subject: [En-Nut-Discussion] flashrom endurance

> hi,
> according to the ethernut memory manual:
> "The flash ROM in the AVR
> microcontrollers has a guaranteed endurance of at least 1,000 write/erase
> cycles. In the real world, this number may be ten or more times higher. "
> I'm new to microcontroller programming and have been writing to the flash
> rom quite a bit for testing; should I be more conservative?
> has anyone ever reached the flashrom erase limit? I suppose its not
> replaceable since its inside the microcontroller chip.
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