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Lpc2000

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Message

Re: Power at 60Mhz

2004-05-17 by jpsg123

I'm powering the CPU core (1.8) directly from a power supply with a amp meter in series 
and I'm seeing 50mA. FYI.

-John G-

--- In lpc2000@yahoogroups.com, Wayne Radochonski <dharmabum@y...> wrote:
> John
>  
> At the risk of sounding like an idiot... (My apologies in advance)
>  
> Be sure that you are measuring just the CPU's power consumption and the board's.
>  
> Power supplies are not 100% efficient, particularly linear regulators.   Many of the
> demo boards use a 1.8 volt linear regulator for the LPC21XX core voltage.  
>  
> I am interested in the final results of your measurements.
>  
> Wayne
> 
> jpsg123 <gonzagajohn@h...> wrote:
> I'm trying to measure power consumption and I found out that the LPC2106 at 60Mhz 
uses 
> ~50mA. Is everybody seeing the same thing? I'm curious because the datasheet says 
30mA 
> at 60Mhz in an infinite loop (which what I'm doing). Thanks.
> 
> -John G-
> 
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