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M16C/29 датащи(PDF) 368 Page - Renesas Technology Corp |
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M16C/29 датащи(HTML) 368 Page - Renesas Technology Corp |
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368 / 499 page ![]() 20. Flash Memory Version p u o r G 9 2 / C 6 1 M page 344 8 5 4 f o 7 0 0 2 , 0 3 .r a M 2 1 . 1 . v e R 2 1 1 0 - 1 0 1 0 B 9 0 J E R Figure 20.10 Processing Before and After Low Power Dissipation Mode Start main clock oscillation Transfer a low power internal consumption mode program to RAM area Switch the clock source of CPU clock. Turn main clock off (2) 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) Wait until the flash memory circuit stabilizes (tps) (3) Set the FMSTP bit to 0 (flash memory operation) Set the FMSTP bit to 1 (flash memory stopped. Low power consumption state)(1) Process of low power consumption mode or on-chip oscillator low power consumption mode switch the clock source of the CPU clock (2) Low power consumption mode program Set the FMR01 bit to 0 (CPU rewrite mode disabled) Set the FMR01 bit to 1 after setting 0 (CPU rewrite mode enabled) (2) Jump to a desired address in the flash memory wait until oscillation stabilizes NOTES: 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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