4.7.3.9
SYSWDCTRL - System Watchdog control register
This register controls the operation of the System Watchdog.
Access
This register can be read/written in 32-bit units.
Address
<SysC_Base> + 28
H
Initial Value
0000 0000
H
. This register is initialized by any reset.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
AD
WAIT
ZEN
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
Writing to the read-only bits is ignored, reading returns undefined values.
Bit
Bit name
Function
0
ADWAITZEN
Controls the System Watchdog function
0 System Watchdog disabled
1 System Watchdog enabled
If the System Watchdog is enabled, it observes the ADBus Host-I/F signal
ADWAIT.
If ADWAIT is active, i.e. at low level, for more than 325 HCLK system clock periods,
the System Watchdog resets the controller.
System Controller
Chapter 4
Preliminary User's Manual S19203EE1V3UM00
117
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