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Section 13 Watchdog Timer
R01UH0134EJ0400 Rev. 4.00 Page 665 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name
Initial
Value R/W Description
6 WT/IT 0 R/W Timer Mode Select
Selects whether to use this module as a watchdog
timer or an interval timer.
0: Use as interval timer
1: Use as watchdog timer
Note: When the WTCNT overflows in watchdog
timer mode, the WDTOVF signal is output
externally.
If this bit is modified when this module is
running, the up-count may not be performed
correctly.
5 TME 0 R/W Timer Enable
Starts and stops timer operation. Clear this bit to 0
when using this module in software standby mode or
when changing the clock frequency.
0: Timer disabled
Count-up stops and WTCNT value is retained
1: Timer enabled
4, 3 All 1 R Reserved
These bits are always read as 1. The write value
should always be 1.