Purists may object that the atmega328p doesn't specify an input clamp current rating.
QuotePurists may object that the atmega328p doesn't specify an input clamp current rating.Yes it does it is 1mA but it is not in the data sheet.
It is not recommended that the clamping diodes are conducting more than maximum 1 mA
Injection Current at VCC = 5V ...................................... ±1.0mA
I've came up with this schematic, is it correct?
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