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Lpc2000

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Re: [lpc2000] Re: LPC213x, analog port question.

2004-12-28 by Anton Erasmus

On 27 Dec 2004 at 15:23, lp2000c wrote:

 
> What chip was that?  We know the problem exists on 2114/2124.  The
> question is whether it exists on 213x.

This was using an LPC2292 chip.

> > On a design I did, where I only wanted to use one of the ADC 
> inputs, and connected
> > the other lines to 5V devices, I got absolutely garbage readings 
> even though the actual
> > AD channel I was using never went above 3.3V. So it appears that 
> the statement below
> > is correct.
> > 
> > Regards
> >    Anton Erasmus
> > 
> > 
> > > --- In lpc2000@yahoogroups.com, "Richard" <richas@y...> wrote:
> > > > 
> > > > Note:  5V on any pin that CAN be configured as an ADC input will
> > > > corrupt the ADC conversion values.
> > > > 
> > > > Richard
> > > 
> > > 
> > > 
> > > 
> > > 
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> > -- 
> > A J Erasmus
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-- 
A J Erasmus

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