Hi as far as I know the previous LPC devices had this problem but the LPC2130 series does not. I heard it somewhere but have not had the change to verify it. Bob --- In lpc2000@yahoogroups.com, "Anton Erasmus" <antone@s...> wrote: > On 23 Dec 2004 at 23:13, lp2000c wrote: > > > > > > > The LPC213x has 16 pins which CAN be configured as an ADC input. Does > > this mean that I can't apply more than 3.3V to any of these pins, > > without corrupting ADC operation? > > 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
Message
Re: LPC213x, analog port question.
2004-12-27 by lpc2100_fan
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