DP83826E: DP83826E mode configuration for EtherCAT

Hi Jagbir,

For enhanced mode, leave pin 1 NC or with a pull-up resistor to VDDIO.

For basic mode, short pin 1 to ground.

There are several clocking options for an EtherCAT application using DP83826:

https://www.ti.com/lit/an/snla344b/snla344b.pdf

Thank you,

Evan