SPRUJ55D September 2023 – July 2025 AM263P2 , AM263P2-Q1 , AM263P4 , AM263P4-Q1
In IrDA modes, sleep mode is enabled by setting the UART_MDR1[3] IR_SLEEP bit to 1.
Sleep mode is entered when all of the following conditions exist:
The module wakes up when a change is detected on the RXD line or when data is written to the TX FIFO.