UPD78F0138 NEC, UPD78F0138 Datasheet - Page 411

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

• Checking reset cause
Figure 22-3. Example of Software Processing After Release of Reset (2/2)
Power-on-clear/external
Check reset cause
WDTRF of RESF
CLMRF of RESF
LVIRF of RESF
reset generated
register = 1?
register = 1?
register = 1?
CHAPTER 22 POWER-ON-CLEAR CIRCUIT
No
No
No
User’s Manual U16228EJ2V0UD
Yes
Yes
Yes
Reset processing by
Reset processing by
Reset processing by
low-voltage detector
watchdog timer
clock monitor
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