R5F61655N50FPV Datasheet, PDF (1218/1376 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 27 Power-Down Modes
Oscillator
Iφ
NMI
Set
NMI interrupt
DNMI interrupt
Becomes invalid
by an internal reset
Set
DNMIEG bit
Set
DPSBY bit
Set
Cleared
IOKEEP bit
I/O port
Operated
Set
Retained
Cleared
Operated
DPSRSTF flag
Internal reset
Cleared
NMI exception
handling
DNMIEG = 1
Deep software
standby mode
(power-down mode)
SSBY = 1
DPSBY = 1 _SLEEP
instruction
Oscillation
settling time
Reset
exception
handling
Figure 27.4 Deep Software Standby Mode Application Example (IOKEEP = 1)
Rev. 2.00 Oct. 20, 2009 Page 1186 of 1340
REJ09B0499-0200