UPD78F9234MC-5A4-A Datasheet, PDF (261/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 16 POWER-ON-CLEAR CIRCUIT
Figure 16-3. Example of Software Processing After Release of Reset (2/2)
• Checking reset cause
Check reset source
WDTRF of RESF
Yes
register = 1?
No
Reset processing by
watchdog timer
LVIRF of RESF
Yes
register = 1?
No
Reset processing by low-voltage
detector
Power-on-clear/external
reset generated
User’s Manual U17446EJ5V0UD
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