HD6417606 RENESAS [Renesas Technology Corp], HD6417606 Datasheet - Page 234
HD6417606
Manufacturer Part Number
HD6417606
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417606.pdf
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Section 9 Watchdog Timer (WDT)
Rev. 4.00 Sep. 13, 2007 Page 208 of 502
REJ09B0239-0400
Bit
7
6
5
4
3
Bit Name
TME
WT/IT
WOVF
IOVF
Initial
Value
0
0
0
0
0
R/W
R/W
R/W
R
R/W
R/W
Description
Timer Enable
Starts and stops timer operation. Clear this bit to 0
when using the WDT in software standby mode or
when changing the clock frequency.
0: Timer disabled: Count-up stops and WTCNT value
1: Timer enabled
Timer Mode Select
Selects whether to use the WDT as a watchdog timer
or an interval timer.
0: Interval timer mode
1: Watchdog timer mode
Note: If WT/IT is modified when the WDT is
Reserved
This bit is always red as 0. The write value should
always be 0.
Watchdog Timer Overflow
Indicates that WTCNT has overflowed in watchdog
timer mode. This bit is not set in interval timer mode.
0: No overflow
1: WTCNT has overflowed in watchdog timer mode
Interval Timer Overflow
Indicates that WTCNT has overflowed in interval timer
mode. This bit is not set in watchdog timer mode.
0: No overflow
1: WTCNT has overflowed in interval timer mode
is retained
operating, the up-count may not be performed
correctly.
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