[En-Nut-Discussion] write to / read from Flash/ROM

[Pavel Chromy]

Ole Reinhardt wrote:

>>Flash/ROM during the runtime of my program. I want to log some events, but
>>the log-entries shouldn't be lost after a power failure.
>>
>>Is there anybody, who can help me?
> 
> You better should not use the flash for such purpose, since you could
> override your application code. 

I agree with Ole, that this is not very good idea.

If you need large amount of non-volatile memory, have a look at
http://www.st.com/stonline/products/families/memories/fl_ser/sf_data.htm
These are serial FLASH parts, up to 8Mbit, really cheap, you can interface it
to the board easily.

Pavel