UART_IFLS_RX=UART_IFLS_RX1_8, UART_IFLS_TX=UART_IFLS_TX1_8
UART Interrupt FIFO Level Select
| UART_IFLS_TX | UART Transmit Interrupt FIFO Level Select 0 (UART_IFLS_TX1_8): TX FIFO <= 1/8 full 1 (UART_IFLS_TX2_8): TX FIFO <= 1/4 full 2 (UART_IFLS_TX4_8): TX FIFO <= 1/2 full (default) 3 (UART_IFLS_TX6_8): TX FIFO <= 3/4 full 4 (UART_IFLS_TX7_8): TX FIFO <= 7/8 full |
| UART_IFLS_RX | UART Receive Interrupt FIFO Level Select 0 (UART_IFLS_RX1_8): RX FIFO >= 1/8 full 1 (UART_IFLS_RX2_8): RX FIFO >= 1/4 full 2 (UART_IFLS_RX4_8): RX FIFO >= 1/2 full (default) 3 (UART_IFLS_RX6_8): RX FIFO >= 3/4 full 4 (UART_IFLS_RX7_8): RX FIFO >= 7/8 full |