AVR-Chat

But EEPROM is only 4K even for Mega128. I need larger space to store my data. The flash rom comes with Mega128 is 128K and far more than enough for my program. That's why I'm looking for a way to store these data into flash rom.

David VanHorn <dvanhorn@cedar.net> wrote:At 10:44 AM 5/4/2004 -0700, Zheng Anding wrote:

>Hi,
> 
>Anybody has experience with AVR Read/Write Flash ROM during runtime? I want to store some data on some kind of media without power supply during runtime and load them when power's up.


I'm not sure exactly what you're looking for here.

EEPROM is generally where you would store variables that you want retained without power.
Set the EEPROM address pointer to zero when you aren't using it, and don't use EEPROM address zero for any real data.  Other than that, use as per the data sheet.



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