Rainbow Electronics W90N745CDG User Manual
Page 269
W90N745CD/W90N745CDG
- 264 -
UART Interrupt Enable Register (UART_IER)
REGISTER OFFSET R/W
DESCRIPTION
RESET
VALUE
UART_IER
0x04
R/W Interrupt Enable Register (DLAB = 0)
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
RESERVED
nDBGACK_EN
MSIE
RLSIE
THREIE
RDAIE
BITS
DESCRIPTIONS
[31:5]
Reserved
-
[4]
nDBGACK_EN
ICE debug mode acknowledge enable
0 = When DBGACK is high, the UART receiver time-out clock will
be held
1 = No matter what DBGACK is high or not, the UART receiver
timer-out clock will not be held
[3]
MSIE
MODEM Status Interrupt (Irpt_MOS) Enable
0 = Mask off Irpt_MOS
1 = Enable Irpt_MOS
[2]
RLSIE
Receive Line Status Interrupt (Irpt_RLS) Enable
0 = Mask off Irpt_RLS
1 = Enable Irpt_RLS
[1]
THREIE
Transmit Holding Register Empty Interrupt (Irpt_THRE)
Enable
0 = Mask off Irpt_THRE
1 = Enable Irpt_THRE
[0]
RDAIE
Receive Data Available Interrupt (Irpt_RDA) Enable and
Time-out Interrupt (Irpt_TOUT) Enable
0 = Mask off Irpt_RDA and Irpt_TOUT
1 = Enable Irpt_RDA and Irpt_TOUT