Angelo Dureghello

MC9S12 gpio injection current

Discussion created by Angelo Dureghello on Jul 28, 2016
Latest reply on Jul 28, 2016 by Radek Sestak

Dear all,

trying to figure out what is the injection current if i connect a 5V level to a 3.3VI/O powered mcu.

From datasheet seems it can reach > 3mA so over suggested limits, but not sure, since the diagram

is showing an example case for voltages > 5V.

 

Any help is appreciated.

regards

angelo

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