介绍了一种以单片机为核心的多功能出租车计价器，该计价器采用单CPU结构，具有计量功能、掉电保护功能、语音功能等。文中阐述了系统的硬件及软件结构。-This paper present a new type of taximeter based on single chip microcomputer. In addition to metering the distance, this kind of taximeter have safe memory function, speech fun