Name: Renesas RL78 Series
Brand: Renesas
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RL78/F13, F14 CHAPTER 26 VOLTAGE DETECTOR

R01UH0368EJ0210 Rev.2.10 1577

Dec 10, 2015

26.5 Cautions for Voltage Detector

26.5.1 Checking reset source

When a reset occurs, check the reset source by using the following method.

Figure 26-9. Checking Reset Source

Note When instruction code FFH is executed.

Reset by the illegal instruction execution not issued by emulation with the in-circuit emulator or on-chip

debug emulator.

Reset processing by

voltage detector

Reset processing by

watchdog timer

Reset processing by

clock monitor

Reset processing by

external reset

Yes

Check reset source

Yes

Reset processing by

illegal-memory access

Reset processing by

illegal instruction execution

Note

LVIRF of RESF

IAWRF of RESF

WDCLRF of RESF

TRAP of RESF

POCRES0 of

POCRES register = 0 ?

CLKRF of POCRES

Reset processing by

power-on reset circuit

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