The NUC100, NUC200, Nano100 and NUC442/NUC472 Series support the RTC controller, but other series do not. The power of RTC controller shares with the power of whole chip for the most chips in NuMicro™ family. Once a chip is powered off, the RTC will work incorrectly when the chip is powered on again.

Nevertheless, the NUC200, M451, NUC505 and NUC442/NUC472 Series have the VBAT pin for supplying the power to RTC to keep it working when the chip is powered off.

Produkte:	Mikrocontroller ,Arm Cortex-M0-MCUs ,Nano100/102-Base-Serie ,Nano110/112-LCD-Serie ,Nano120-USB-Serie ,Nano130-Advanced-Serie ,NUC100/200-Advanced-Serie ,NUC120/122/123/220-USB-Serie ,NUC130/230-CAN-Serie ,NUC140/240-Konnektivität-Serie ,Arm Cortex-M4-MCUs ,M451-Base-Serie ,M451M-Serie ,M452-USB-Serie ,M453-CAN-Serie ,NUC442/472-Serie ,NUC505-Serie
Applikationen:
Funktion:	Peripherals,Timer and PWM,RTC

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What series in the NuMicro™ family support the RTC (Real Time Clock) controller? Does it need to use the independent power to work? Datum：2015-02-09

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