The recommended power-on sequence is to apply VCC first, followed by VDD, and then the clock signal. This ensures proper initialization of the device.
The clock settings can be configured using the Clock Control Register (CCR). The CCR allows you to select the clock source, divide the clock frequency, and enable or disable the clock output.
The maximum operating frequency of the R5F52108CDFM is 32 MHz. However, the actual operating frequency may be limited by the system clock source and the clock divider settings.
The WDT can be enabled or disabled using the Watchdog Timer Control Register (WTCSR). The WDT can be used to reset the device in case of a software or hardware fault. The timeout period can be set using the Watchdog Timer Counter Register (WTCTR).
The BOD is used to detect a drop in the power supply voltage and reset the device if the voltage falls below a certain threshold. This helps to prevent the device from operating erratically or unpredictably during a power brown-out condition.
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R5F52108CDFM#V0 Overview
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