Panasonic MN101C77C 用户手册

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页码 544
IX - 3
Chapter 9    Watchdog Timer
Control Registers
8
Figure 9-2-1    Watchdog Timer Control Register (WDCTR : x'03F02', R/W)
9-2
Control Registers
The watchdog timer is controlled by the watchdog timer control register (WDCTR).
„
Watchdog Timer Control Register (WDCTR)
WDTS1
0
WDTS0
0
1
0
1
2
18 
of system clock
1
2
22
 of system clock
2
20
 of system clock
 Watchdog time-out period setup
2
16 
of system clock
0
1
2
4
5
6
7
3
( At reset: - - 0 0 0 1 1 0 )
WDCTR
WDEN
WDTS0
WDTS1
WDTC0
WDTC1
WDTC2
WDTC2
0
WDTC1
0
0
1
1
1
WDTC0
0
1
0
1
0
1
0
1
2
of system clock
2
of system clock
2
11 
of system clock
Watchdog timer is cleared at 
the following cycle or more
Anytime
2
19 
of system clock
2
13 
of system clock
2
15 
of system clock
2
17 
of system clock
-
-
WDEN
0
1
Watchdog timer enable
Watchdog timer enable
Watchdog timer disable/clear