Toshiba TLCS-900/H1 Series Manual page 319

WDMOD Bit symbol
(1300H)
Read/Write
Reset State
Function WDT control
1: Enable
WDCR Bit symbol
(1302H)
Read/Write
Reset State
Read
-modify
Function
-write
instruction is
prohibited
7 6
WDTE WDTP1 WDTP0
R/W
1 0
Select detecting time
15
00: 2 /f
IO
17
01: 2 /f
IO
19
10: 2 /f
IO
21
11: 2 /f
IO
Figure 3.12.4 Watchdog Timer Mode Register
7 6
B1H: WDT disable code
4EH: WDT clear code
Figure 3.12.5 Watchdog Timer Control Register
5 4 3
−
0 0
Always
write "0"
Watchdog timer out control
−
0
1 Connects WDT out to a reset
IDLE2 control
0 Stop
1 Operation
Watchdog timer detection time
15
00 2
17
01 2
19
10 2
21
11 2
Watchdog timer enable/disable control
0 Disabled
1 Enabled
5 4 3
−
W
−
B1H
4EH
Others
92CH21-317
2 1
I2WDT RESCR
R/W
0 0
IDLE2 1: Internally
connects
0: Stop
WDT out
1: Operate
to the
reset pin
/f (Approximately 3.28 ms at f
IO
/f (Approximately 13.1 ms at f
IO
/f (Approximately 52.4 ms at f
IO
/f (Approximately 210 ms at f
IO
2 1
WDT disable/clear control
Disable code
Clear code
Don't care
TMP92CH21
0
−
0
Always
write "0"
= 40 MHz)
OSCH
= 40 MHz)
OSCH
= 40 MHz)
OSCH
= 40 MHz)
OSCH
0
2009-06-19