SPRUHZ7K August 2015 – April 2024 AM5706 , AM5708 , AM5716 , AM5718 , AM5718-HIREL
The transmitter checks PRUSS_UART0_CTS before sending the next data byte. If PRUSS_UART0_CTS is active, the transmitter sends the next byte. To stop the transmitter from sending the following byte, PRUSS_UART0_CTS must be released before the middle of the last STOP bit that is currently being sent (see Figure 30-43). When flow control is enabled, PRUSS_UART0_CTS level changes do not trigger interrupts because the device automatically controls its own transmitter. Without autoflow control, the transmitter sends any data present in the transmitter FIFO and a receiver overrun error may result.