DS12887is a kind of real time C MO S chip produced by DALLAS corp. Be-sides real time clock function,it has114 bytes RAM,self-contained subsystem includes lithium.是什么意思_DS12887is a kind of real time C MO S chip produced by DALLAS corp. Be-sides real time clock function,it has114 bytes RAM,self-contained subsystem includes lithium.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句