Renesas M34286T2-CPE User Manual page 29

2. Setup
M34286T2-CPE User's Manual
(2) Output Waveform of Check Pin WRST
A waveform similar to the one shown in Figure 2.11 is output when executing the WRST instruction that initializes the
watchdog timer. By observing a period in which the check pin (WRST) goes high, you can know when the watchdog
timer is initialized.
Next instruction
Instruction
WRST instruction
Cycle
T1 T2 T3 T4 T1 T2
XIN
WRST
(TP3)
Figure 2.11 Output waveform of check pin WRST
R20UT0214EJ0200 Rev.2.00 Page 29 of 70
Sep 16, 2010