Техническая Спецификация для Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105
Модели
ATEVK1105
97
AT32UC3A
15.6.1
WDT Control
Name:
CTRL
Access Type:
Read/Write
•
KEY
This bitfield must be written twice, first with key value 0x55, then 0xAA, for a write operation to be effective. This bitfield always
reads as zero.
reads as zero.
•
PSEL: Prescale Select
Prescaler bit PSEL is used as watchdog timeout period.
•
EN: WDT Enable
0: WDT is disabled.
1: WDT is enabled.
1: WDT is enabled.
31
30
29
28
27
26
25
24
KEY[7:0]
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
-
PSEL
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
EN
32058K
AVR32-01/12