SPRUJ55D September 2023 – July 2025 AM263P2 , AM263P2-Q1 , AM263P4 , AM263P4-Q1
Two bits in the power and emulation management register - UART_PWR, control resetting the parts of the PRU-ICSS UART0:
In each case, putting the receiver and/or transmitter in reset will reset the state machine of the affected portion but will not affect the PRU-ICSS UART0 registers.