To prevent inaccurate time-keeping, the system clock in a device will check its timestamp against an RTC module. ![]() As most devices are often powered on and off in continuous cycles, keeping track of data for process synchronization can be messy if the system clock is inaccurate in any way. The reason independent power is necessary comes down to the functional use of RTC modules in laptops, computers, tablets, and other electronic devices. ©Michael Wolf / CC BY-SA 3.0 – License Power Source The X470 is a stylish card that satisfy gamers who can get by without extensive overclocking options. The important aspect to remember is that RTCs operate on a power source of their own rather than the power source used to run the main electronics. When this battery is removed, the RTC is reset to its starting point. Most consumer-grade motherboards make use of a single battery to power the RTC. These newer RTC ICs are rechargeable and can be soldered to other devices. Newer systems use an auxiliary battery or supercapacitors. In the past, ICs were run off of lithium batteries. While some RTCs are designed to be installed into a device’s microcontroller unit (MCU), real-time clock integrated circuits (RTC ICs) run on an independent power source from the main device which allows for more accurate tracking and prevents data loss. The need for accurate timekeeping is often used as a trigger for specific events like turning the device on or sounding off an alarm clock. These modules can be found in nearly every electronic device especially when the device requires a form of accurate timekeeping. It counts hours, minutes, seconds, months, days, and even years. Real-time clocks maintain accurate time measurements within an embedded system even when the main power is off. What is a Real-Time Clock?: Complete ExplanationĪ real-time clock (RTC) is an electronic device designed in the form of an integrated circuit to measure the passage of real-time. The reason independent power is necessary comes down to the functional use of RTC modules in laptops, computers, tablets, and other electronic devices.The need for accurate timekeeping is often used as a trigger for specific events. ![]() A real-time clock (RTC) is an electronic device designed in the form of an integrated circuit to measure the passage of real-time.
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