Yahoo Groups archive

Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: [lpc2000] Re: Writing to FLASH from RAM

2004-11-23 by Robert Adsett

At 09:14 PM 11/23/04 +0000, you wrote:
>ops I was thinking .1S... you mean .1mS!!! therefore (even if flash
>was fast enough. IT IS NOT) you will basically kill the chip in 10
>seconds.

Presumably he's not saving it all in a single byte :) So 100000/sec if he's 
storing 1000 readings works out to 0.1S and your endurance calcs are 
right.  The size of the data set is rather important.


>How much data are you saving? you can use 512 MB MMC card and save
>the new data without deleting the old ones till needed! Again, it
>depends on how much data is going there.

Well he was planning on storing in internal flash so that suggests a few 
10's of K at the most.

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
chew a radio signal. "

                         Kelvin Throop, III

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.