7 timing of the changes on the status pins, 1 reset, 2 releasing sleep mode – Renesas SH7781 User Manual
Page 827: 8 ddr-sdram power supply backup
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17. Power-Down Mode
Rev.1.00 Jan. 10, 2008 Page 797 of 1658
REJ09B0261-0100
17.7
Timing of the Changes on the STATUS Pins
17.7.1
Reset
For details, see section 16.5, Status Pin Change Timing during Reset.
17.7.2
Releasing Sleep Mode
(1)
When Sleep Mode Is Released by an Interrupt
Figure 17.1 shows the timing of the changes in the STATUS pin.
Interrupt request
LL (Normal)
HL (Sleep)
LL (Normal)
CLKOUT
IRQOUT
output
STATUS[1:0]
output
Figure 17.1 Status Pins Output when an Interrupt Occurs in Sleep Mode
17.8
DDR-SDRAM Power Supply Backup
For details, see section 12.5.10, DDR2-SDRAM Power Supply Backup Function.
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