CHAPTER 21 RESET FUNCTION
Page 754 of 920
Figure 21 - 5 Procedure for Checking Reset Source
Caution
The flow shown above is an example of procedure for checking.
Yes
No
After reset acceptance
Internal reset request by the
watchdog timer generated
Internal reset request
by the voltage detector generated
Power-on-reset/
external reset generated
WDTRF of RESF
register = 1?
No
LVIRF of RESF
register = 1?
Yes
No
Internal reset request by the
RAM parity error generated
RPERF of RESF
register = 1?
Yes
No
Internal reset request by the
illegal memory access generated
IAWRF of RESF
register = 1?
Yes
No
Internal reset request by the
execution of the illegal instruction
generated
TRAP of RESF
register = 1?
Yes
Read RESF register
Read the RESF register (clear the RESF register) and
store the value of the RESF register in any RAM.
Summary of Contents for RL78/G1H
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