SH7763 Datasheet, PDF (751/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 18 Power-Down Mode
VDD-RTC
VDD
XRTCSTBI
PRESET
System power supply
turned off
System power supply
turned on
High-level
RTC battery backup state
RTC standby
Power-on reset canceled
(1) (2)
(1) Oscillation stabilization time at power-on
(2) Reset delay time at the RTC
Figure 18.3 Sequence for Turning VDD Power Supply (1.2 V) On/Off
18.9 STATUS Pin Signal Change Timing
18.9.1 Timing at Reset
Refer to section 17.5, Status Pin Change Timing during Reset.
18.9.2 Timing at Sleep Mode Cancellation
(1) When an Interrupt Occurs in Sleep Mode
Figure 18.4 shows the timing of signal changes on the STATUS pins.
Interrupt request
CLKOUT
IRQOUT
output
STATUS[1:0]
output
LL (Normal
operation)
HL (sleep)
LL (Normal
operation)
Figure 18.4 STATUS Output when an Interrupt Occurs in Sleep Mode
Rev. 1.00 Oct. 01, 2007 Page 685 of 1956
REJ09B0256-0100