Lpc2000

The manual says, "This should be norminally the same voltage as Vdd but 
should be isolated to minimize noise and err"

Does it mean that it will not work correctly if I apply a voltage lower 
than Vdd ?

Thanks
Lei  
--- In lpc2000@yahoogroups.com, "fl429" <fl429@y...> wrote:
> Hi, Folks,
> 
> Does it still work if I apply a lower voltage to the Vref (2.5V) than 
> the norminal VDD (3.3V) ?
> 
> Any ideas? 
> Thanks 
> 
> Lei