Lpc2000

Does anybody have some experience with LPC21xx devices in powerdown mode ?

Thanks




Hi,

I'm trying to put a LPC2146 in a deep power down mode, but, the best I
can get is  1,2mA....
After a lot of tests, i have lowered this to 375uA but putting two
470K pulldowns in the USB lines (D+ ; D-)
My test board consumes only 2uA without the processor, and I have 3
boards with the same behavior.
Any ideas ?

Thanks, Mauricio

--- In lpc2000@yahoogroups.com, "mauricioscaff" <scaffm@g...> wrote:
>
> Does anybody have some experience with LPC21xx devices in powerdown 
mode ?
> 
> Thanks
> 
> 
> 
> 
> Hi,
> 
> I'm trying to put a LPC2146 in a deep power down mode, but, the 
best I
> can get is  1,2mA....
> After a lot of tests, i have lowered this to 375uA but putting two
> 470K pulldowns in the USB lines (D+ ; D-)
> My test board consumes only 2uA without the processor, and I have 3
> boards with the same behavior.
> Any ideas ?
> 
> Thanks, Mauricio
>

Do you have any floating IO pins...?

No, they are all pulled up or are outputs (outputting 0 in port0 and 1 
in port1).


octofroggy wrote:
> --- In lpc2000@yahoogroups.com, "mauricioscaff" <scaffm@g...> wrote:
> >
> > Does anybody have some experience with LPC21xx devices in powerdown
> mode ?
> >
> > Thanks
> >
> >
> >
> >
> > Hi,
> >
> > I'm trying to put a LPC2146 in a deep power down mode, but, the
> best I
> > can get is  1,2mA....
> > After a lot of tests, i have lowered this to 375uA but putting two
> > 470K pulldowns in the USB lines (D+ ; D-)
> > My test board consumes only 2uA without the processor, and I have 3
> > boards with the same behavior.
> > Any ideas ?
> >
> > Thanks, Mauricio
> >
>
> Do you have any floating IO pins...?
>
>
>
>
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