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Freescale Kinetis K20 based MK20FN1M0VMD12 reset state question

Question asked by Sherry Sher on Oct 23, 2015
Latest reply on Oct 26, 2015 by Sherry Sher

Hi,

 

I am working with MK20FN1M0VMD12 K20 based processor. I am looking at the default pin assignment in the datasheet, for example the pin "PTD11" says "disabled" under default. I understand that this means the pin will be disabled on reset. How does it behave exactly? Will PTD11 be pulled up/down? What exactly does "disabled" mean? Will I need to put an external (current limiting or pull up) resistor to this pin for microcontroller safety?

 

Thanks for your time,

Sherry

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