IN16C1054
Table 11: FIFO Control Register Description
Bit
Symbol
Description
7:6
FCR[7:6]
RX FIFO Trigger Level Select
00 : 8 characters (default)
01 : 16 characters
10 : 56 characters
11 : 60 characters
5:4
FCR[5:4]
TX FIFO Trigger Level Select
00 : 8 characters (default)
01 : 16 characters
10 : 32 characters
11 : 56 characters
FCR[5:4] can only be modified and enabled when EFR[4] is set.
DMA Mode Select
3
2
FCR[3]
FCR[2]
0 : Set DMA mode 0 (default)
1 : Set DMA mode 1
TX FIFO Reset
0 : No TX FIFO reset (default)
1 : Reset TX FIFO pointers and TX FIFO level counter logic.
This bit will return to ‘0’ after resetting FIFO.
RX FIFO Reset
1
0
FCR[1]
FCR[0]
0 : No RX FIFO reset (default)
1 : Reset RX FIFO pointers and RX FIFO level counter logic.
This bit will return to ‘0’ after resetting FIFO.
FIFO enable
0 : Disable the TX and RX FIFO (default).
1 : Enable the TX and RX FIFO
Rev. 00
IKSEMICON [ IK SEMICON CO., LTD ]
