Hi Richard From what specification do you concoct that information? Regards Lasse -----Original Message----- From: Richard [mailto:richas@...] Sent: 29. november 2004 18:54 To: lpc2000@yahoogroups.com Subject: [lpc2000] Re: LPC2129, analog port question. Note: 5V on any pin that CAN be configured as an ADC input will corrupt the ADC conversion values. Richard --- In lpc2000@yahoogroups.com, "Anton Erasmus" <antone@s...> wrote: > On 29 Nov 2004 at 12:29, digtalfreak wrote: > > > > > > > I am using the LPC2129 in an application and I need to know if the > > analog port will be damaged if the port gets more than V3A at any > > time. The manual says that the voltage must not be over V3A or the > > analog input readings will be invalid. Does that mean that they will > > be invalid forever or only for the moment where the voltage is over > > V3A? > > > > The pins are supposed to be 5V tolerant, hence my assumption is that they should > be able to handle up to 5V. The A/D converter is designed, so that it's full range is > only V3A volts, hence an input above this voltage will give invalid A/D results. > > Regards > Anton Erasmus > > > > > > ------------------------ 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 Links
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RE: [lpc2000] Re: LPC2129, analog port question.
2004-11-29 by Lasse Madsen
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