Tool/software:
I am bit confused about the VDDIO of DP83867E. Section 6.3 Recommended Operating Conditions says three options for VDDIO namely 3.3V option, 2.5V option and 1.8V option. Does it mean one of these options has to be selected when ordering the part? Or we can just supply any voltage out of 3.3V, 2.5V and 1.8V and design accordingly.