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| D12320VF25V Datasheet, PDF (847/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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Section 19 Power-Down Modes
Software standby mode is then cleared at the rising edge on the NMI pin.
Oscillator
Ï
NMI
NMIEG
SSBY
NMI exception
handling
NMIEG=1
SSBY=1
Software standby mode
(power-down mode)
SLEEP instruction
Oscillation
stabilization
time tOSC2
NMI exception
handling
Figure 19.2 Software Standby Mode Application Example
19.6.5 Usage Notes
I/O Port Status: In software standby mode, I/O port states are retained. If the OPE bit is set to 1,
the address bus and bus control signal output is also retained. Therefore, there is no reduction in
current dissipation for the output current when a high-level signal is output.
Current Dissipation during Oscillation Stabilization Wait Period: Current dissipation
increases during the oscillation stabilization wait period.
Rev.7.00 Feb. 14, 2007 page 813 of 1108
REJ09B0089-0700
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