版本 d0b41db6b9a7a7d8b7d979482f1082fb281412fb
embedded/RTC
Introduction
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 timer/ counter.