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The UART controller is a full-duplex asynchronous receiver and transmitter that supports a wide range of programmable baud rates and I/O signal formats. UART1 port is routed to the SOM connectors as a 2-wire interface. The following table describes the interface signals:
| Pin name | Conn. pin | Function | Notes |
|---|---|---|---|
| PS_UART1_RX | J1.80 | UART Receive line | - |
| PS_UART1_TX | J1.82 | UART Transmit line | - |