Lpc2000

I take 10000 readings a seconds... therefore writing time for each 
int has to be <0.1ms, hopefully <0.05ms.

--- In lpc2000@yahoogroups.com, "Gus" <gus_is_working@y...> wrote:
> 
> a quick comment! You are saving to flash 10 times every second; 
> therefore, you can do 10,000 seconds (FLASH life is 100,000 
erases, 
> I think). 10,000 seconds = about 3 hours!!!
> 
> Is that right or I didn't really understand it?
> 
> --- In lpc2000@yahoogroups.com, "firegenie1980" 
<firegenie1980@y...> 
> wrote:
> > 
> > Hi,
> > 
> > Im trying to write a value, actually a large array of 8-bit 
> > integers, from RAM to FLASH so that I can access this array 
after 
> > the power has been removed and re-applied at a later date.
> > 
> > The values from the array will be either:
> > 
> > A: Wrote to RAM then copied straight into FLASH during each 
pass. 
> > This will require the process to take less than 0.05ms as the 
> > function that produces the values is called every 0.1ms.
> > 
> > B: Totally filled up, then copied over to FLASH some other way 
if 
> a 
> > speed of 0.05ms is unobtainable. Probably over-running my tick 
> > interval.
> > 
> > If anyone has any useful information on this it would be very 
much 
> > appreciated. This is my first time using the FLASH memory 
directly 
> > and so I'm very much in the dark on this one! I know I need to 
set 
> > up an area of FLASH for this array, but how to do this and how 
to 
> > access it is a mystery to me, and I am finding it hard to find 
> > examples on the internet that might help me.
> > 
> > Thanks,
> > 
> > FG