SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
The module can transmit and receive data, but when the device is transmitting, the IR RX circuitry is automatically disabled by hardware.
Operation of the uart3_rxd input can be disabled by the UART3.UART_ACREG[5] DIS_IR_RX bit.