Hi, we need a signal that indicate if a scb uart is transmitting.

[PaMa_1342151]

Hi, we need a signal that indicate if a scb uart is transmitting.This signal is used in a smart i/o to control the status of a output pin to put in high Z the uart tx output pin.

[RodolfoGL]

Have you tried to use the DMA TX trigger signal? It basically tells if the TX FIFO is empty. If empty, you know it is not transmitting.

[Vison_Zhang · Accepted solution]

SCB component don't have a status terminal, you may try to use TX FIFO empty interrupt to trigger some logic.