How to deal with the unused I/O of S12XET256

[528887301]

How to deal with the unused I/O of S12XET256?

NC？Pull up or pull down？Set to output?

Do we have a systematic description of this?

[danielmartynek]

Hi,

Please refer to AN3262 Designing Hardware for MC9S12X D-Family, Chapter 14 Managing Unused Pins.
http://www.nxp.com/docs/en/application-note/AN3262.pdf
The recommendations apply to S12XE family as well.

Regards,
Daniel