Description
You will get the critical warning message "Critical Warning(16248) Pin XYZ is placed too close with ADC pins" when you assign GPIO pins to I/O Bank 1A, 1B, 2, and 8 with an analog-to-digital converter (ADC) block being used in MAX® 10 E144 package device.
Resolution
Please refer to Table 19 from the MAX® 10 General Purpose I/O User Guide:
Please refer above table to assign the GPIO pins to the correct I/O banks.