Hi Charles,

Thanks for your help. I saw some EEPROMS in the Digikey catalog, advertised as
"smart EEPROM" . Are these the ones that you are suggesting?

Best Regards,
Thomas

Charles Laforge wrote:

> Hi
>
> Look around carefully.  Some serial eeprom will take care of the
> "ringbuffer".  When you reach the end of memory it will start writing at
> the beginning.  I don't have any details but I think the 24LCXX and the
> rest of that family do it.  I have some 24C256 from Atmel and I think
> they do it too.  Look around and I'm sure you'll find the answer.  If
> you don't give me a shout and i will try to help.
>
> Charles
>
> <SNIP!>
>
> with 256k memory.This EEPROM should function as a ringbuffer. The data
> from the serial port will be stored and when the memory is full,
> it should start overwrite the datas and so on. I will connect also a
>
> <SNIP!>
>
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