M30280F6HP RENESAS [Renesas Technology Corp], M30280F6HP Datasheet - Page 331

• Manufacturer Part Number: M30280F6HP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

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Figure 18.11 Processing Before and After Low Power Dissipation Mode
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NOTES:
Jump to the low power consumption mode
program transferred to internal RAM area.
(In the following steps, use the low-power
consumption mode program or internal RAM area)
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Transfer a low power internal consumption mode
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1. Set the FMRSTP bit to “1” after setting the FMR01 bit to “1”(CPU rewrite mode).
2. Wait until the clock stabilizes to switch the clock source of the CPU clock to the main clock or the sub clock.
3. Add a tps wait time by a program. Do not access the flash memory during this wait time.
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program to RAM area
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Low power consumption
Set the FMSTP bit to “1” (flash memory stopped.
Low power consumption state)
Wait until the flash memory circuit stabilizes ( tps)
Set the FMSTP bit to “0” (flash memory operation)
Process of low power consumption mode or
on-chip oscillator low power consumption mode
Start main clock
oscillation
switch the clock source of the CPU clock
mode program
Jump to a desired address in the flash memory
Set the FMR01 bit to “1” after setting “0”
(CPU rewrite mode enabled)
Switch the clock source of CPU clock.
Turn main clock off.
(CPU rewrite mode disabled)
Set the FMR01 bit to “0”
wait until oscillation stabilizes
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18. Flash Memory Version
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