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大家好，我想知道在MSP430F2618上是否有已实现的软件实时时钟系统（RTC）？
BOb Frank, MSP430F2618上没有RTC外设，如果要软件实现实时时钟的功能的话，可以使用定时器Timer_A实现1s定时，后自行更新hour, day, month and year。若对精度要求高的话，时钟源是可用外部32768Hz的晶振。
