H83297 Datasheet, PDF (289/393 Pages) Renesas Technology Corp – Single-Chip Microcomputer

15.4.3 Timing Relationships
Figure 15-2 shows the timing relationships in hardware standby mode.
In the sequence shown, first RES goes low, then STBY goes low, at which point the chip enters
hardware standby mode. To recover, first STBY goes high, then after the clock settling time, RES
goes high.
Clock pulse
generator
RES
STBY
Clock setting
time
Reset
Figure 15-2 Hardware Standby Mode Timing
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