Re: [beagleboard] Re: external RTC chip recommandation?

AM335x has an onboard RTC, drains battery like crazy... Thanks for the suggestions. On Fri, Dec 11, 2015 at 5:00 AM, William Hermans wrote: > *onboard RTC? What board are you using? I'm familiar with the BBB not >> having any onboard RTC.* >> > > It's actually on die, and

[beagleboard] Re: external RTC chip recommandation?

On Wednesday, December 9, 2015 at 10:39:49 PM UTC-8, c2h2 wrote: > > Hi all, > > onboard RTC draws too much current, > > onboard RTC? What board are you using? I'm familiar with the BBB not having any onboard RTC. > need to have low current RTC chip, no need to be super accurate, low cost

Re: [beagleboard] Re: external RTC chip recommandation?

> > *onboard RTC? What board are you using? I'm familiar with the BBB not > having any onboard RTC.* > It's actually on die, and it's pretty much useless, as there is no way to battery back it. On Thu, Dec 10, 2015 at 11:20 AM, R Miloh wrote: > > > On Wednesday, December

[beagleboard] Re: external RTC chip recommandation?

The DS1302 are DS1307 most common, reasonably low cost. Adafruit has breakout boards and drivers for the DS1307, so you could use that as a reference design. Both are I2C bus devices, independently powered from the bus. Run for years from a little watch battery. Old Dallas Semiconductor parts,