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H8SX/1663 数据表(PDF) 1024 Page - Renesas Technology Corp |
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H8SX/1663 数据表(HTML) 1024 Page - Renesas Technology Corp |
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1024 / 1158 page ![]() Section 23 Power-Down Modes Rev.1.00 Jun. 07, 2006 Page 972 of 1102 REJ09B0294-0100 Table 23.1 shows conditions to shift to a power-down mode, states of the CPU and peripheral modules, and clearing method for each mode. After the reset state, since this LSI operates in normal program execution state, the modules, other than the DMAC and DTC are stopped. Table 23.1 Operating States Operating State Sleep Mode All-Module-Clock- Stop Mode Software Standby Mode Hardware Standby Mode Transition condition Control register + instruction Control register + instruction Control register + instruction Pin input Cancellation method Interrupt Interrupt* 2 Interrupt* 5 Oscillator Functioning Functioning Halted Halted Subclock oscillator Functioning* 6 Functioning* 6 Functioning* 6 Halted CPU Halted (retained) Halted (retained) Halted (retained) Halted Watchdog timer Functioning Functioning Halted (retained) Halted 8-bit timer Functioning Functioning* 4 Halted (retained) Halted 32K timer Functioning Functioning Functioning Halted Peripheral modules Functioning Halted* 1 Halted* 1 Halted* 3 I/O port Functioning Retained Retained Hi-Z Notes: "Halted (retained)" in the table means that the internal register values are retained and internal operations are suspended. 1. SCI enters the reset state, and other peripheral modules retain their states. 2. External interrupt and some internal interrupts (8-bit timer, watchdog timer, and 32K timer) 3. All peripheral modules enter the reset state. 4. "Functioning" or "Halted" is selectable through the setting of bits MSTPA9 and MSTPA8 in MSTPCRA. However, pin output is disabled even when "Functioning" is selected. 5. External interrupt and 32K timer interrupt 6. "Functioning" or "Halted" is selectable through the setting of bit OSC32STP in TCR32K. |
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