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NuMicro® NUC029LEE/NUC029SEE
32-bit Arm
®
Cortex
®
-M0 Microcontroller
Aug, 2018
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Rev 1.00
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6.10.7 Register Description
Watchdog Timer Control Register (WTCR)
Register
Offset
R/W
Description
Reset Value
WTCR
0x00
R/W
Watchdog Timer Control Register
0x0000_0700
31
30
29
28
27
26
25
24
DBGACK_WD
T
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
WTIS
7
6
5
4
3
2
1
0
WTE
WTIE
WTWKF
WTWKE
WTIF
WTRF
WTRE
WTR
Bits
Description
[31]
DBGACK_WDT
ICE Debug Mode Acknowledge Disable Bit (Write Protect)
0 = ICE debug mode acknowledgement effects WDT counting.
WDT up counter will be held while CPU is held by ICE.
1 = ICE debug mode acknowledgement Disabled.
WDT up counter will keep going no matter CPU is held by ICE or not.
[30:11]
Reserved
Reserved.
[10:8]
WTIS
Watchdog Timer Time-Out Interval Selection (Write Protect)
These three bits select the time-out interval period for the WDT.
000 = 24 *T
WDT
.
001 = 26 * T
WDT
.
010 = 28 * T
WDT
.
011 = 210 * T
WDT
.
100 = 212 * T
WDT
.
101 = 214 * T
WDT
.
110 = 216 * T
WDT
.
111 = 218 * T
WDT
.
[7]
WTE
Watchdog Timer Enable Bit (Write Protect)
0 = WDT Disabled. (This action will reset the internal up counter value.)
1 = WDT Enabled.
Note:
If CWDTEN (CONFIG0[31] Watchdog Enable) bit is set to 0, this bit is forced
as 1 and user cannot change this bit to 0.