实时时钟电路(X1228)被用作里程表,数据存储器和车速表中的警报。
Speed is increased by using high speed A/D convertor and frame memorizer.采用高速A/D转换器以及帧存储器提高系统的存取速度。
Smart card is also called CPU card. Compared to common IC card, it contains CPU, memorizer, I/O system and Chip Operating Syestem (COS).智能卡也称CPU卡,同普通的IC卡相比,它具有自己的CPU,存储器,读写系统和卡内操作系统COS。