RXUF=0, RXEMPT=0, TXOF=0, TXEMPT=0
UART FIFO Status Register
RXUF | Receiver Buffer Underflow Flag 0 (0): No receive buffer underflow has occurred since the last time the flag was cleared. 1 (1): At least one receive buffer underflow has occurred since the last time the flag was cleared. |
TXOF | Transmitter Buffer Overflow Flag 0 (0): No transmit buffer overflow has occurred since the last time the flag was cleared. 1 (1): At least one transmit buffer overflow has occurred since the last time the flag was cleared. |
RXEMPT | Receive Buffer/FIFO Empty 0 (0): Receive buffer is not empty. 1 (1): Receive buffer is empty. |
TXEMPT | Transmit Buffer/FIFO Empty 0 (0): Transmit buffer is not empty. 1 (1): Transmit buffer is empty. |