It happened with me too, LPC hangs it internal reset is used. Use external reset i.e. power on reset and it wont hang,
-----Original Message-----
From: Dot m
[mailto:d...@yahoo.com]
Sent: Thursday, February 17, 2005
6:59 PM
To: l...@yahoogroups.com
Subject: Re: [lpc900_users] Re:
LPC932-Hangs During Startup
Hi Bob,
Thanks for the support. I'll try to get
LPC932A
and
try again. Unfortunately I got 30 nos of TSSOP
stuff
with me. Here in Chennai (India), I could not get
PLCC
version.
Once again Thanks for the mail.
Dot Bala
--- lpc2100_fan <l...@yahoo.com>
wrote:
>
> Hi Dot,
>
> please get a LPC932-A1, which has been the
current
> version for about
> 6-9 months now. If it still happens , post
again.
>
> Background: the original LPC932 had a problem
if the
> voltage goes
> below let's saw 1V but stays above 0.2V
before it
> comes back on.
> Usually you have some caps on your board and
if you
> turn of the power,
> it will remain for quite a while above 0.2V.
In this
> case the LPC932
> does not see a Power On reset and can behave
rather
> strangly. Worst
> case it can overwrite a part of the internal
flash.
> We did not have any of these problems since
we
> switched to the
> LPC932-A1, so please try that.
>
> hth, Bob
>
> --- In l...@yahoogroups.com,
"dot2cell"
> <dot2cell@y...> wrote:
> >
> > Hi
> > I had a problem during
startup.
> > LPC932 Hangs during startup whenever
there is a
> Mains power failure or
> > while switch on the device. This happens
2 out of
> 10 occations.
> > I am new to this embedded field.
> > I hope I will get support from the
group.
> > Thanks for reading my
mail.
> > With Best regards.
> > Dot Bala
>
>
>
>
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