LM3S2637 Datasheet, PDF (446/678 Pages) Texas Instruments – Stellaris® LM3S2637 Microcontroller

Universal Asynchronous Receivers/Transmitters (UARTs)
Bit/Field
2:0
Name
TXIFLSEL
Type
R/W
Reset
0x2
Description
UART Transmit Interrupt FIFO Level Select
The trigger points for the transmit interrupt are as follows:
Value Description
0x0 TX FIFO ≤ ⅞ empty
0x1 TX FIFO ≤ ¾ empty
0x2 TX FIFO ≤ ½ empty (default)
0x3 TX FIFO ≤ ¼ empty
0x4 TX FIFO ≤ ⅛ empty
0x5-0x7 Reserved
446
June 18, 2012
Texas Instruments-Production Data