FUJITSU F2MCTM-16LX - Manual (Page 154)

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CHAPTER 8 LOW-POWER CONSUMPTION MODE
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CPU clock control circuit
This circuit controls clocks supplied to the CPU.
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Pin high-impedance control circuit
This circuit makes I/O pins high-impedance in the watch mode, timebase timer mode and stop mode.
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Internal reset generation circuit
This circuit generates an internal reset signal.
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Low-power consumption mode control register (LPMCR)
This register is used to switch to and release the standby mode and to set the CPU intermittent operation
mode.