From: karthikbalaguru on
On Dec 28, 9:12 pm, "Joe G \(Home\)" <jo...(a)optusnet.com.au> wrote:
> "ganuhegde" <gappu_he...(a)yahoo.co.in> wrote in message
>
> news:o9GdnUeGNNAI8IzWnZ2dnUVZ_gqdnZ2d(a)giganews.com...>I am using P89V51RD2 flash enabled mc for my application . I am using flash
> > memory to store data. I want to know the flash "write endurance" based on
> > erase cycle or write -erase cycle...
> > plz somebody help me out
>
> > Thanks
> > ganu
>
> Yep the endurance is in the data sheet page 62
>
> Data sheet is available herehttp://ics.nxp.com/products/80c51/datasheet/p89v51rb2.p89v51rc2.p89v5...
>
> and standards used to perform this test are available here.http://bit.ly/8Fq3N7
>
> Have fun  bye
>

Great !
So, it is in the datasheet as everyone
conveyed.
It is mentioned as the endurance of flash
memory is 10000 cycles.

And there is also a Note that 'This parameter is
measured only for initial qualification and after
a design or process change that could affect
this parameter."

Karthik Balaguru