Intel® Agilex™ F-Series and I-Series General-Purpose I/O User Guide

ID 683780
Date 6/14/2022
Public

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2.5.12. Unused Pins

There are specific guidelines for unused pins connections and reserved state settings. To allow flexibility in the board design, Intel® Agilex™ devices support several options of reserved state settings.
Table 17.  Unused Pins Connection Guidelines
Pin Guidelines
No connect (NC) pins For vertical device migration, where the device package is the same but contains different density, you can leave the NC pins floating, connected to VCCIO, or connected to ground. The device pin-out files list the NC pins.
Do not use (DNU) pins Do not connect DNU pins to power, ground, or any other signal. You must leave the DNU pins floating.

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