UART
myEthernet myEthernet UART-Schnittstelle
myEthernet UART interface

PIN noPIN namefunction
22D0RxD0
23D1TxD0
configuration list
RXD0 / PCINT24 – Port D, Bit 0
receive data (data input Pin for UART).
TXD0 / PCINT25 – Port D, Bit 1
send data (data output Pin for UART).