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Coin cell to VBAT pin on a Nucleo board?

Question asked by john doe on Nov 20, 2017
Latest reply on Dec 5, 2017 by Zhitai Liu

On a Nucleo board, is it as simple as pulling the 0 ohm resistor off SB45, and connecting a coin cell [something like a CR1220] to pin33 [VBAT] and ground, in order to have battery backup for the RTC registers?