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Re: digital clock using 8051
you can use an RTC and interface it with the 8051 micro-controller.....the RTC IC is powered by a separate 3.3V Li-battery and will update the date and time even when the 8051 is switched off....u can make the 8051 read the value of the RTC registers,convert it into...
If you have connected a separate battery to the Vbat pin,then you must initialize the rtc in your code only once.In your case,the code is initializing the rtc value every time it is powered up through the Vcc pin.
Initialize the rtc only once on power up and develop some logic to skip the...
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