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if I control the current into a pin configured as a open drain on a K65 micro how much higher can i pull this pin than VDD?

Question asked by jason larson on Jan 8, 2018
Latest reply on Jan 12, 2018 by Robin_Shen

I have a k65 micro that is powered from 1.8v and I have a pin configured as a open drain. I have a couple devices powered from 3.3v and would like to have the K65 pin pulled to 3.3v even though the micro is powered from 1.8v. I'm thinking if I keep the current under a few micro amps it should not cause a problem but want to verify?

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