NUMICRO-SDK Nuvoton Technology Corporation of America, NUMICRO-SDK Datasheet - Page 379

• Manufacturer Part Number: NUMICRO-SDK
• Description: KIT EVAUATION NUC100/120/130/140
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™r
• Type: MCUr

Specifications of NUMICRO-SDK

• Contents: Board, Cable, CD, Nu-Link
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: NUC100, NUC120, NUC130, NUC140

5.11.5 Register Description
Watchdog Timer Control Register (WTCR)
Register
WTCR
Note: All bits can be write in this register are write-protected. To program it needs to write “59h”, “16h”, “88h” to address
0x5000_0100 to disable register protection. Reference the register REGWRPROT at address GCR_BA+0x100.
Bits
[31:11]
[10:8]
[7]
[6]
WTE
31
23
15
7
NuMicro™ NUC100 Series Technical Reference Manual
Offset
WDT_BA+0x00
Descriptions
Reserved
WTIS
WTE
WTIE
WTIE
30
22
14
6
Reserved
WTWKF
R/W
R/W
29
21
13
5
Reserved
Watchdog Timer Interval Select (write-protection bits)
These three bits select the timeout interval for the Watchdog timer.
Watchdog Timer Enable (write-protection bit)
0 = Disable the Watchdog timer (This action will reset the internal counter)
1 = Enable the Watchdog timer
Watchdog Timer Interrupt Enable (write-protection bit)
Description
Watchdog Timer Control Register
WTIS
000
001
010
011
100
101
110
111
WTWKE
28
20
12
Timeout Interval
4
- 379 -
2
2
2
2
2
Reserved
Reserved
Selection
2
2
2
10
12
14
16
18
4
6
8
* T
* T
* T
* T
* T
* T
* T
* T
WDT
WDT
WDT
WDT
WDT
WDT
WDT
WDT
WTIF
27
19
11
3
(2
(2
(2
(2
(2
(2
(2
(2
Interrupt Period
Publication Release Date: Oct 22, 2010
10
12
14
16
18
4
6
8
+ 1024) * T
+ 1024) * T
+ 1024) * T
+ 1024) * T
+ 1024) * T
+ 1024) * T
+ 1024) * T
+ 1024) * T
WTRF
26
18
10
2
WDT
WDT
WDT
WDT
WDT
WDT
WDT
WDT
341.33 us ~ 426.67 us
WTR Timeout Interval
(WDT_CLK=12 MHz)
21.33 us ~ 106.67 us
85.33 us ~ 170.67 us
21.84 ms ~ 21.93 ms
1.33 us ~ 86.67 us
5.33 us ~ 90.67 us
1.36 ms ~ 1.45 ms
5.46 ms ~ 5.55 ms
WTRE
WTIS
25
17
9
1
Revision V1.06
Reset Value
0x0000_0700
WTR
24
16
8
0