介绍当前出租车计价器存在的问题, 并在此基础上提出一种基于PIC16F877单片机的多功能出租车计价器的设计方

案, 除实现正常的计费功能,还具有防作弊、掉电保护等能力, 对其硬软件实现进行了详细阐述, 并验证其可行性。-Several current problemsarediscussedandonekindof designscheme for themultifunctional taximeter

basedonPIC16F877isprovided. It realizesthenormal pricing. Still it hasthefunctionof ant-i cheating andpower fail

safeguard. Itshardwareandsoftwaredesignsare elaborated, and itsfeasibility isverified