UPD78F9234MC-5A4-A Datasheet, PDF (270/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 17 LOW-VOLTAGE DETECTOR
Figure 17-6. Example of Software Processing After Release of Reset (2/2)
• Checking reset source
Check reset source
WDTRF of RESF
Yes
register = 1?
No
Reset processing by
watchdog timer
LVIRF of RESF
No
register = 1?
Yes
Reset processing by
low-voltage detector
Power-on-clear/external
reset generated
268
User’s Manual U17446EJ5V0UD