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版本 e27795047092f8148984c4a235be2d77cd3309f8

embedded/RTC

Changes from e27795047092f8148984c4a235be2d77cd3309f8 to 9236831d2ed77ae39fb9c8b8761623791ce93048

Introduction
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A real-time clock (RTC) is a computer clock that keeps track of the current time.

A real-time clock (RTC) is a computer clock that keeps track of the current time. RTCs are also present in almost any electronic device that requires accurate time keeping. The real-time clock (RTC) embedded in STM32 microcontrollers acts as an independent `BCD<BCD>`_ timer/ counter.