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MC33771 design issue

Question asked by Ken Tseng on Jul 11, 2019

Dear Sir

 

Now I'm designing a BMS, I use the MC37771 as the AFE chip, but some GPIO pin no used, 

I saw the Datasheet, GPIO pin have Internal pull-down resistor.

 

So I should let those pins floating or pull-up/pull-down?

 

Thanks 

 

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