Watchdog Timer - Toshiba TLCS-900/H1 Series Manual

(17) Watchdog timer

Symbol Name
Address
WDT
WDMOD mode 1300H
register
WDT 1301H
WDCR control (Prohibit
register RMW)
7 6 5
WDTE WDTP1 WDTP0
R/W
1 0 0
WDT Select detecting time
15
control 00: 2 /f
IO
17
1: Enable 01: 2 /f
IO
19
10: 2 /f
IO
21
11: 2 /f
IO
B1H: WDT disable code
92CF30-640
4 3 2
I2WDT
0
IDLE2
0: Stop
1: Operate
−
W
−
4E: WDT clear code
TMP92CF30
1 0
−
RESCR
R/W
0 0
Always
1:Internally
write "0".
connects
WDT out to
the reset pin
2009-06-12