本文介绍了一种基于低功耗芯片PIC16F84 的IC 卡智能水表的设计,文中给出了系统的硬件设计和软件设计。该IC 卡水表具有低成本、低功耗、可靠性高等优点,可广泛应用于各城市供水系统。 关键字:PIC16F84,IC 卡智能水表 Abstract: An IC water meter based on PIC16F84 which is a low cost chip was be introduced in this paper. The design of hardware and software was introduced. It has the characteristics of low cost, low power, high reliability and can used in water supply system in any cities. Key Words: PIC16F84,IC water meter