DS1340， DS1340C I²C实时时钟，带，实时时钟，可通过，充电器，DS1340C，nbsp，DS1340， DS1340C I²C实时时钟，带有涓流充电器，可通过软件进行校准The DS1340 is a real-time clock (RTC)/calendar that is pin compatible and functionally equivalent to the ST M41T00， including the software clock calibra...
2008-09-22 00:00:00百科实时时钟 可通过 充电器
