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M34571T2-CPE User’s Manual 2. Setup
REJ10J0972-0100 Rev.1.00 February 10, 2006
Page 40 of 72
2.11.2 Output Waveform of the Check Pin WRST
A waveform similar to the one shown in Figure 2.20 is output when executing the WRST instruction hat initializes the
watchdog timer. By observing a period in which the check pin (WRST) is goes high, it is possible to know when the watchdog
timer is initialized.
Figure 2.20 Output waveform of the check pin WRST
Instruction
Machine cycle
XIN
T1
WRST instruction
Next instruction
WRST
(TP3)
T2 T3 T1 T2 T3