tft=empty, dmam=mode_0, rt=one_character
UART FIFO Control Register
fifoe | |
rfifor | |
xfifor | |
dmam | 0 (mode_0): undefined 1 (mode_1): undefined |
tft | 0 (empty): undefined 1 (two_characters): undefined 2 (quarter_full): undefined 3 (half_full): undefined |
rt | 0 (one_character): undefined 1 (quarter_full): undefined 2 (half_full): undefined 3 (two_less_than_full): undefined |