Renesas R5S72621 User Manual

 

 

 

 

 

 

Section 13   Watchdog Timer 

 

R01UH0134EJ0400  Rev. 4.00  

 

Page 665 of 2108 

Sep 24, 2014 

 

 

 
SH7262 Group, SH7264 Group 

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.