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Hardware Design In I/O

Question asked by wu wenbin on Sep 27, 2019
Latest reply on Sep 28, 2019 by wu wenbin

Hi,everyone! An idea flashed into my mind.what should I calculate to prevent burn the MCU when I design the external circuit?

the range of voltage is 9V - 16V,what is more ,27V one minute.

mcu is mc9s12g128

will the following external circuit burn MCU Without add EXTERNAL stabilivolt ?