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Implement Real Time Clock #49

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TheGuyDanish opened this issue Dec 28, 2020 · 3 comments
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Implement Real Time Clock #49

TheGuyDanish opened this issue Dec 28, 2020 · 3 comments
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@derwana
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@TheGuyDanish
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As mentioned in #1, we can quite easily implement an RTC into our design (which I believe would be a genuinely nice and useful feature). I'm breaking it out into a new issue to increase visibility.

On-board RTC is present in the CM4IO board and could easily be lifted if we want to integrate it.
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Originally posted by @TheGuyDanish in #1 (comment)
@TheGuyDanish TheGuyDanish added the good first issue Good for newcomers label Dec 28, 2020
@TheGuyDanish
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Looking further into this, I think using the NXP PCF85263A instead would be a better call. It has built-in circuitry for switching to battery power, meaning we can power the RTC with 3.3vSB when the power supply is powered and a coin cell battery when it isn't.

@derwana
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derwana commented Dec 30, 2020

I'll take a look into it an do a schematic etc. in the new year.

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Closed by #51

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