I’ve noticed a discrepancy between the datasheet for the W5500 and the WIZ850io board. In the WIZ850io board, the EXRES1 (pin 10) pin is conneced to GND via a 12.4k resistor. In the datasheet for the W5500 (Figure 2, page 11), the EXRES1 pin is connected to AGND via a 12.4k resistor.
My question is, should he EXRES1 resistor be connected to GND or AGND?
Links to the documents are below: