Renesas RL78 Series User Manual page 731

RL78/G1D
After reset acceptance
Read RESF register
Power-on-reset/external
The flow described above is an example of the procedure for checking.
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
Figure 20-5. Example of Procedure for Checking Reset Source
Yes
TRAP of RESF
register = 1?
No
execution of the illegal instruction
Yes
WDTRF of RESF
register = 1?
No
Yes
RPERF of RESF
register = 1?
No
Yes
IAWRF of RESF
register = 1?
No
illegal memory access generated
Yes
LVIRF of RESF
register = 1?
No
by the voltage detector generated
reset generated
Read the RESF register (clear the RESF register) and store
the value of the RESF register in any RAM.
Internal reset request by the
generated
Internal reset request by the
watchdog timer generated
Internal reset request by the
RAM parity error generated
Internal reset request by the
Internal reset request
CHAPTER 20 RESET FUNCTION
710