CHAPTER 9 WATCHDOG TIMER
User’s Manual U13850EJ4V0UM
239
(2) Watchdog timer clock selection register (WDCS)
This register selects the overflow times of the watchdog timer and the interval timer.
WDCS is set by an 8-bit memory manipulation instruction.
RESET input clears WDCS to 00H.
Figure 9-3. Watchdog Timer Clock Selection Register (WDCS)
After reset: 00H
R/W
Address: FFFFF382H
7
6
5
4
3
2
1
0
WDCS
0
0
0
0
0
WDCS2
WDCS1
WDCS0
Watchdog timer/interval timer overflow time
f
XX
WDCS2
WDCS1
WDCS0
Clock
20 MHz
Note
12.58 MHz
0
0
0
2
14
/f
XX
819.2
µ
s
1.3 ms
0
0
1
2
15
/f
XX
1.6 ms
2.6 ms
0
1
0
2
16
/f
XX
3.3 ms
5.2 ms
0
1
1
2
17
/f
XX
6.6 ms
10.4 ms
1
0
0
2
18
/f
XX
13.1 ms
20.8 ms
1
0
1
2
19
/f
XX
26.2 ms
41.6 ms
1
1
0
2
20
/f
XX
52.4 ms
83.3 ms
1
1
1
2
22
/f
XX
209.7 ms
333.4 ms
Note
Only for the V850/SB1.
Содержание MPD703030A
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