| 전자부품 데이터시트 검색엔진 |
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HD404324FS 데이터시트(PDF) 27 Page - Renesas Technology Corp |
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HD404324FS 데이터시트(HTML) 27 Page - Renesas Technology Corp |
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27 / 103 page ![]() HD404054 Series/HD404094 Series 25 Standby Oscillator: Active Peripheral clocks: Active All other clocks: Stop No Yes No Yes No Yes No Yes No Yes Yes Restart processor clocks Reset MCU Execute next instruction Accept interrupt Restart processor clocks No Yes IF = 1, IM = 0, and IE = 1? RESET = 0? IF0 • IM0 = 1? IF1 • IM1 = 1? IFTA • IMTA = 1? IFTC • IMTC = 1? IFTD • IMTD = 1? No Yes IFS1 • IMS1 = 1? No Stop Oscillator: Stop Peripheral clocks: Stop All other clocks: Stop RESET = 0? STOPC = 0? RAME = 1 RAME = 0 Yes Yes No No Execute next instruction Figure 12 MCU Operation Flowchart Stop Mode: In stop mode, all MCU operations stop and RAM data is retained. Therefore, the power dissipation in this mode is the least of all modes. The OSC 1 and OSC2 oscillator stops. The MCU enters stop mode if the STOP instruction is executed in active mode. Stop mode is terminated by a RESET input or a STOPC input as shown in figure 13. RESET or STOPC must be applied for at least one t RC to stabilize oscillation (refer to the AC Characteristics section). When the MCU restarts after stop mode is cancelled, all RAM contents before entering stop mode are retained, but the accuracy of the contents of the accumulator, B register, W register, X/SPX register, Y/SPY register, carry flag, and serial data register cannot be guaranteed. |
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