Hi Aaron, As you say, the meshed resistors are not connected. Today, I connected TX_CLK with a 0 ohm resistor and confirmed that the scan was successful and EtherCAT communication was possible. COL and CRS are still not connected. These pins do not exist in the EtherCAT section of sysconf, but do they need to be connected? Also, is TX_CLK absolutely necessary for MII with AM243? Best regard, Oyama
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