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Re: [AVR-Chat] EEPROM write and power failure

2008-04-28 by Enki

Just put a high uF capacitor on the VCC pin and use a voltage 
divider to measure the power supply input voltage.
	
	Mark Jordan


On 27 Apr 2008 at 19:38, Tim Gilbert wrote:

> We're doing an instrument that needs to store a variable in EEPROM.  It is a statistical certainty that, at some point, the power will fail just as the software starts to write the data. Any idea's how to handle this?
> 
> Of course, we'll have the BOD enabled but I don't know (in fact really doubt) that it will save the day.
> 
> 
> Thanks,
> 
> 
> 
> Tim Gilbert
> JEM Innovation Inc.
> 303-926-9053 (office)
> 303-437-4342 (cell)
> 720-890-8582 (fax)
> www.jeminnovation.com
> www.pdksolutions.com
> 
> [Non-text portions of this message have been removed]
> 
> 
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