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STM32 gpio clamping

Question asked by pietrek928 on Jan 14, 2017
Latest reply on Jan 14, 2017 by KIC8462852 EPIC204278916

I have stm32 gpio pin connected through 5k resistor to the 12V supply. What voltage can I expect on the pin depending on the gpio configuration and processor model? Is there any internal clamping in the MCU?

 

Do I need external clamping diodes?

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