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 > > > > > > > > > > > > > > > > > > > > > ------------------------ Yahoo! Groups Sponsor > > > --------------------~--> Make a clean sweep of pop-up ads. Yahoo! > > > Companion Toolbar. Now with Pop-Up Blocker. Get it for free! > > > http://us.click.yahoo.com/L5YrjA/eSIIAA/yQLSAA/dN_tlB/TM > > > ------------------------------------------------------------------ > --~- > > > > > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > > > > -- > > A J Erasmus > > > > > > ------------------------ Yahoo! Groups Sponsor > --------------------~--> $4.98 domain names from Yahoo!. Register > anything. http://us.click.yahoo.com/Q7_YsB/neXJAA/yQLSAA/dN_tlB/TM > --------------------------------------------------------------------~- > > > > > Yahoo! Groups Links > > > > > > > -- A J Erasmus
Message
Re: [lpc2000] Re: LPC213x, analog port question.
2004-12-28 by Anton Erasmus
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