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Lpc2000

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Message

Re: CONFIRMED: WARNING: problem reading state of external interrupt lines.

2006-03-22 by rtstofer

--- In lpc2000@yahoogroups.com, "Thiadmer Riemersma (ITB CompuPhase)"
<go@...> wrote:
>
> Hello Leon,
> 
> We designed the board and did a few prototypes in-house, but series
> manufacturing was done by a specialized company. So I do not really
> know whether precautions were observed.
> 
> > High-reliability systems are often 'burned-in' - run for some time at
> > a high temperature - which shows up faults like that.
> 
> Funnily, this particular problem went away at high temperature.
> 
> Kind regards,
> Thiadmer
>

Whenever I have run across a situation where touching the circuit
could make a change, it was because I had left pins floating.  I would
start with the schematic and look for pins that float.

Richard

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