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From: Eeyore on 4 Sep 2008 23:10 Joerg wrote: > Eeyore wrote: > > Joerg wrote: > >> TT_Man wrote: > >>> Anyone using this part experiencing problems? we have used them for 4 years > >>> or so. Date codes up to 0705 work ok, 0814 misbehaves....same chip, same > >>> software, 0814 doesn't execute properly... > >> Did you check the POR situation? Maybe issue a nice long POR and see if > >> it'll run? > >> > >> The POR circuit on most 8051 is %^&#!! <tantrum censored> so I always > >> rolled my own. As for BOR, I think many uC designers don't know what > >> that means ... > > > > I think Atmel actually do an app note on that. > > When it comes to POR/BOR I do not trust manufacturers much. Learned some > hard lesson in life. Care to share ? Graham
From: Eeyore on 4 Sep 2008 23:33 Rich Grise wrote: > If I could get an 8051 equivalent but with Motorola's timer system (see > 68HC11, e.g.), I'd be in hog heaven. ;-) What's so great about Motorola's timers ? Graham
From: Robert Baer on 5 Sep 2008 01:46 TT_Man wrote: > "Eeyore" <rabbitsfriendsandrelations(a)hotmail.com> wrote in message > news:48BF4043.AE375BE5(a)hotmail.com... > >> >>TT_Man wrote: >> >> >>>Anyone using this part experiencing problems? we have used them for 4 >>>years >>>or so. Date codes up to 0705 work ok, 0814 misbehaves....same chip, same >>>software, 0814 doesn't execute properly... >> >>Have you contacted the manufacturer ? >> >>Graham >> >> > > Yes, that was my first port of call, with full details, source code etc.and > an indication of the approximate area of failure, within 10 lines of > code...... > > *Within* 10 lines of code? Not more specific? Probably "C" code...
From: Eeyore on 5 Sep 2008 02:24 Robert Baer wrote: > TT_Man wrote: > > "Eeyore" wrote > >>TT_Man wrote: > >> > >>>Anyone using this part experiencing problems? we have used them for 4 > >>>years or so. Date codes up to 0705 work ok, 0814 misbehaves....same chip, > same > >>>software, 0814 doesn't execute properly... > >> > >>Have you contacted the manufacturer ? > > > > Yes, that was my first port of call, with full details, source code etc.and > > an indication of the approximate area of failure, within 10 lines of > > code...... > > *Within* 10 lines of code? Not more specific? Probably "C" code... I thought he said assembler going back yonks. Which you would have thought ought to make it easy to find. Graham
From: Spehro Pefhany on 5 Sep 2008 09:10
On Fri, 05 Sep 2008 04:33:14 +0100, Eeyore <rabbitsfriendsandrelations(a)hotmail.com> wrote: > > >Rich Grise wrote: > >> If I could get an 8051 equivalent but with Motorola's timer system (see >> 68HC11, e.g.), I'd be in hog heaven. ;-) > >What's so great about Motorola's timers ? > >Graham Much better designed. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" speff(a)interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com |