WATCHDOG
20.4.4.1.6 WDT_WCLR Register (offset = 24h) [reset = 20h]
WDT_WCLR is shown in
and described in
.
The Watchdog Control Register controls the prescaler stage of the counter.
Figure 20-104. WDT_WCLR Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
PRE
PTV
Reserved
R-0h
R/W-1h
R/W-0h
R-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 20-117. WDT_WCLR Register Field Descriptions
Bit
Field
Type
Reset
Description
31-6
Reserved
R
0h
5
PRE
R/W
1h
Prescaler enable/disable configuration
0x0 = Prescaler disabled
0x1 = Prescaler enabled
4-2
PTV
R/W
0h
Prescaler value.
The timer counter is prescaled with the value: 2**PTV.
Example: PTV = 3 then counter increases value if started after 8
functional clock periods.
On reset, it is loaded from PI_PTV_RESET_VALUE input port.
1-0
Reserved
R
0h
3687
SPRUH73H – October 2011 – Revised April 2013
Timers
Copyright © 2011–2013, Texas Instruments Incorporated