Scratch pad longevity

Dave E

Can someone confirm something for me?
I seem to remember that the life of scratch pad ram is indefinite but I can not find where I read that. I searched this forum but could not find anything on this topic.

I need a few more variables in a BS2PX but don't have the space in normal ram even with using several variables for different things.

Thanks for the confirmation.

Dave E

Phil Pilgrim (PhiPi)

Values in scratch pad RAM last only as long as the power is on and until they're changed by a program. The manual doesn't specify whether they get cleared on reset — at least not that I could find.

-Phil

Dave E

Thanks for the reply, Phil.
It seems that I was not very clear in my post.
What I was looking for was how many times can a scratch pad ram location be written to before that location is toast.

Dave E

Mike Green

There is no limit to the number of times the scratchpad can be written. It's SRAM (static random access memory) rather than EEPROM.

Dave E

Thanks Mike.
That's what I was looking for.

Thanks everyone,
Dave E