From: Steve S. <sa...@gm...> - 2011-10-16 17:36:03
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On Sun, Oct 16, 2011 at 8:43 AM, Giovanni Casano <uc...@gm...> wrote: > Tomorrow I will post my overo connection schematic. The only difference I > saw between main and your schematic, gpio apart, is > I connected VBACKUP and AGND to ground. Probably not what is killing your Overos, but . . . VBACKUP is intended to provide battery backup power to the PMIC RTC circuit. It should either be left open or connected to a rechargeable lithium battery. When the system is powered up the PMIC attempts to trickle charge the battery. Hence tying this pin to ground is *not* a good idea! Steve > At the moment, total damages is about at 1000 euros, and I do not know who I > could ask for support. > Hope you will solve your problem. > bye > -g > > ------------------------------------------------------------------------------ > All the data continuously generated in your IT infrastructure contains a > definitive record of customers, application performance, security > threats, fraudulent activity and more. Splunk takes this data and makes > sense of it. Business sense. IT sense. Common sense. > http://p.sf.net/sfu/splunk-d2d-oct > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > > |