Uart fifo control register, Uart line control register – Digi NS9215 User Manual
Page 409
. . . . .
S E R I A L C O N T R O L M O D U L E : U A R T
UART FIFO Control register
www.digiembedded.com
409
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
U A R T F I F O C o n t r o l r e g i s t e r
Address: 9001_1108 / 9001_9108 / 9002_1108 / 9002_9108, Write
The UART FIFO Control register controls the RX and TX 4-byte FIFOs. Note that only
the FIFOEN bit (bit 01) should be set; all other bits are for diagnostic purposes only.
Register
Register bit
assignment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
U A R T L i n e C o n t r o l r e g i s t e r
Address: 9001_110C / 9001_910C / 9002_110C / 9002_910C
The UART Line Control register controls the UART settings.
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
Reserved
Reserved
TXCLR RXCLR FIFOEN
Bits
Access
Mnemonic
Reset
Description
D31:03
N/A
Reserved
N/A
N/A
D02
W
TXCLR
0
Clear all bytes in the TX FIFO
0
Normal operation
1
TX FIFO cleared
D01
W
RXCLR
0
Clear all bytes in the RX FIFO
0
Normal operation
1
RX FIFO cleared
D00
W
FIFOEN
0
Enable the TX and RX FIFO
0
RX and TX FIFO disabled
1
RX and TX FIFO enabled