Altera_Forum
Honored Contributor
Honored Contributorabout unused pin state
in my design, there are several unused pins, and i always set them as Hi-Z. i want to know wheter the noise will come into those pins and make my logic wrong? thank you.
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Altera_ForumHonored Contributor
Honored ContributorUnused pins will not make your logic wrong. However, floating pins have the potential to switch states, and that would cause unnecessary power dissipation (fairly unlikely, but not impossible). You should select the unused pins option to enable weak pull-ups on the unused pins.
Cheers, Dave
