DS1307RTC	KEYWORD1
DS3232RTC	KEYWORD1
RTC	        KEYWORD1

isRealTime	KEYWORD2
hasUpdates	KEYWORD2
readTime	KEYWORD2
readDate	KEYWORD2
writeTime	KEYWORD2
writeDate	KEYWORD2
alarmCount	KEYWORD2
readAlarm	KEYWORD2
writeAlarm	KEYWORD2
readByte	KEYWORD2
writeByte	KEYWORD2