A multiuser electric meter with prepay in IC card based on the STT B singlechip is introduced in this paper. The acting principle and key technology of it are explained,and then the hardware and software structure are given.
A multiuser electric meter with prepay in IC card based on the STT B singlechip is introduced in this paper. The acting principle and key technology of it are explained,and then the hardware and software structure are given.
介绍了一种基于STT B单片机的多用户IC卡预付费电表的研制，阐明了工作原理和关键技术，给出了硬件、软件的结构。