Renesas RL78/G1P Hardware User Manual page 637

RL78/G1P
external reset generated
R01UH0895EJ0100 Rev.1.00
Nov 29, 2019
Figure 17-5. Procedure for Checking Reset Source
After reset acceptance
Read RESF register
TRAP of RESF
register = 1?
No
WDTRF of RESF
register = 1?
No
RPERF of RESF
register = 1?
No
IAWRF of RESF
register = 1?
No
LVIRF of RESF
register = 1?
No
Power-on-reset/
Read the RESF register (clear the RESF register) and
store the value of the RESF register in any RAM.
Yes
Internal reset request by the
execution of the illegal instruction
generated
Yes
Internal reset request by the
watchdog timer generated
Yes
Internal reset request by the
RAM parity error generated
Yes
Internal reset request by the
illegal memory access generated
Yes
Internal reset request
by the voltage detector generated
CHAPTER 17 RESET FUNCTION
618