Renesas R5S72622 Manual Do Utilizador

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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 
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 
Reserved 
These bits are always read as 1. The write value 
should always be 1.