Lpc2000

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