W90P710_05 Datasheet, PDF (340/526 Pages) Winbond – 16/32-bit ARM microcontroller

W90P710
BITS
DESCRIPTIONS
[31:6] Reserved -
Complement version of data set ready (DSR#) input
[5]
DSR#
(This bit is selected by IP)
[4:2] Reserved -
DSR# State Change (This bit is selected by IP)
[1]
DDSR _{This bit is set whenever DSR# input has changed state, and it will be reset}
if the CPU reads the MSR.
[0] Reserved -
Whenever any of MSR [3:0] is set to logic 1, a Modem Status Interrupt is generated if IER[3]=1. Writing
MSR is a null operation (not suggested).
UART Time Out Register (UART_TOR)
REGISTER OFFSET R/W
DESCRIPTION
UART_TOR 0x1C R/W Time Out Register
RESET VALUE
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
TOIE
TOIC
BITS
[31:8]
[7]
[6:0]
Reserved
TOIE
TOIC
DESCRIPTIONS
-
Time Out Interrupt Enable
The feature of receiver time out interrupt is enabled when TOR [7] = IER[0] =
1.
Time Out Interrupt Comparator
The time out counter resets and starts counting (the counting clock = baud
rate) whenever the RX FIFO receives a new data word. Once the content of
time out counter (TOUT_CNT) is equal to that of time out interrupt
comparator (TOIC), a receiver time out interrupt (Irpt_TOUT) is generated if
TOR [7] = IER [0] = 1. A new incoming data word or RX FIFO empty clears
Irpt_TOUT.
- 340 -