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I have had a remarkable lack of success trying to locate information about the M0 ADC. I need to know
I want to create a voltage divider network that drops the sampled voltage down to the 0-1.0V requirement, that consumes minimum power while still giving the capacitor time to charge. The one circuit I've found consumes 20mA; if possible, I'd like to create one that reduces this to single-digit uA or better still, nA. But to do this, I need the resulting RC circuit to be able to charge the capacitor in, say, 80% of the sampling aperture time
To be more precise, I need this data for an Atmel SAMD21 chip
joe