Figure 23-3. Example of Software Processing After Reset Release (2/2)
• Checking reset source
CHAPTER 23 POWER-ON-CLEAR CIRCUIT
Check reset source
Yes
WDTRF of RESF
register = 1?
No
Yes
LVIRF of RESF
register = 1?
No
Power-on-clear/external
reset generated
Preliminary User's Manual U17260EJ3V1UD
Reset processing by
watchdog timer
Reset processing by
low-voltage detector
535