RTC battery supply

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suziyousif
Posts: 6
Joined: Fri Jan 07, 2022 7:53 pm

Re: RTC battery supply

Postby suziyousif » Thu Feb 10, 2022 8:08 pm

I have another question please. to do it with switching circuit. when the power is loss, can I power just VDD3P3_RTC with battery, without connecting those pins: VDDA1, VDDA2, VDD3P3_CPU?
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ESP_Sprite
Posts: 9052
Joined: Thu Nov 26, 2015 4:08 am

Re: RTC battery supply

Postby ESP_Sprite » Fri Feb 11, 2022 3:24 am

No, sorry, the chip does not support that.
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