TX Interrupt Statuses¶
The number of data elements in the TX FIFO is less than the value of the TX FIFO level.
The TX FIFO is not full.
The TX FIFO is empty.
An attempt to write to a full TX FIFO.
An attempt to read from an empty TX FIFO.
The UART transfer is complete: all data elements from the TX FIFO are sent.
SmartCard only: UART received a NACK.
SmartCard only: the value on the TX line of the UART does not match the value on the RX line.