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The UART interfaces are available on the Evaluation Kit at the connectors J9 and J10.
J9 and J10 are 3 pin terminal blocks 5.0mm pitch respectively for USART3 and UART8. Can be independently used as RS232 or RS485 based on kit model[[ETRA_SOM/ETRA_Hardware/Part_number_composition | Part Number composition]]. '''TODO:aggiungere link alla pagina di composizione P/N'''
[[File:{{{nomeETRA-som}}-EVBEVK-UARTs-connector.png|thumb|center|500px300px|UARTs connector]]
===Signals ===
=== Device mapping ===
USART3 is mapped to <code>/dev/ttyxxxttySTM1</code> device in Linux.
UART8 is mapped to <code>/dev/ttyxxxttySTM2</code> device in Linux.
=== Device usage ===