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5. Operation
5.1 Sleep Mode
■ Entering sleep mode
Writing "1" to the sleep mode bit (STCR.SLEEP) changes to sleep mode. The device remains in this mode
until an event occurs to wakeup the device from sleep mode.
(See
"8. Caution (Page
■ Device state in sleep mode
• CPU program execution stops. (Peripheral functions continue to operate.)
• The internal memory and internal bus halt.
• Circuits that halt during sleep mode
• Bit search module
• All internal memory (inclusive I-cache)
• Internal/external bus
• Circuits that do not halt during sleep mode
• Oscillation circuit, main PLL (if enabled)
• Clock generation control circuit
• Interrupt controller
• External interrupts
• DMA
• Peripherals
■ Recovery and other items
• Generation of an interrupt request that is currently enabled changes the device back to RUN mode. (Restores
normal operation.)
• An INIT pin input or generation of a watchdog reset invokes an initialization reset (INIT) followed by an
operation reset (RST).
No.165)".)
Chapter 10 Standby
5.Operation
159
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