Hi,
> > Hmm, thats a dangerous assumption. Assume that the WP pin
> > is switched to
> > write protect mode by a reset controller which supervises the power
> > supply.
>
> Thanx Thomas I had not considered this condition.
>
> The WP directly controls the internal high voltage charge
> pump that drives
> the programming. If WP goes low, the hv will droop and the
> programming will not complete reliably.
>
> In most circuits I am familar with, the WP is strapped to Vcc
> which would allow in-progress writes to complete.
Well, I just checked schematic and I did hook WP to global reset
signal, the one that comes from reset generator. Always thought it
was a good idea ;-)
Sergei
----------------------------------------------------------------------
This e-mail, including any attached files, may contain confidential and privileged information for the sole use of the intended recipient. Any review, use, distribution, or disclosure by others is strictly prohibited. If you are not the intended recipient (or authorized to receive information for the intended recipient), please contact the sender by reply e-mail and delete all copies of this message.
(text/plain)