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Measuring Vdd through Vbat

Question asked by naphtali on Jan 7, 2014
Latest reply on Jan 9, 2014 by naphtali
Using an STM32F407xx, I want to monitor Vdd by connecting it to Vbat and using ADC1_IN18. If I am not actually powering my device from the battery, is it still possible (or advisable) to do this?

The reason that I am not using one of the on-chip ADC channels is because I have none available.