Article How to configure UART RX Interrupt in SHARC 21469

To configure Rx uart interrupt, you need to set the UART0 receive interrupt to P14.

Also you can look in interrupt.h file <<install_path>/SHARC/include/interrupt.h. for the translated macro. For the SHARC, DPI is defined as ADI_CID_P14I.

You can also refer the attached UART_Echo_Back example project for ADSP-21469

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