OK2单片机毕业设计参考格式要点.docVIP

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摘 要 公交客车已经在各个城市普及,给人们的出行带来很大方便,传统由乘务人员人工报站因工作强度大其效果差,随着科学技术的日益发展和进步, 无人售票公交车在,语音报站器向车内外人员报告车辆运行情况的电子报话装置在相当大的程度上免除了乘务人员沿途报站的麻烦直接服务的质量。进站、出站自动播报站名及服务用语,为市民提供更人性化,更完善的服务 Abstract Buses have been popular in every city, for people to travel a great convenience, the traditional bus is reported the name of the station by trainman manually, because of work intensity and its effects are poor, with the increasing development and progress of science and technology , Automated collection bus started in many cities, automatic speech stations broadcasting device have emerged, bus stop reporter is installed in the bus or public transportation vehicle, and service in various cities, each to a parking site, report to internal and external personnel of the cars vehicle operation of automated equipment newsletter. It is to a large extent, eliminates the trainman’s trouble to reported along the way, more easy for people to travel, while directly improving the quality of public transport bus service. This design introduce a single-chip microcomputer as central-control of the bus stop reporter, the design uses AT89S51 microcontroller and a dedicated control chip ISD4004 voice and keyboard and display circuitry bus stop reporter hardware circuit, this paper designed AT89S51 SCM basic circuit, ISD4004 drive circuit, function keys circuit and display circuit realization method in detail, using C language and assembly language for a bus stop reporter software design, completed the main program flow chart of system design, design of the keyboard scan subroutine, design of the display subroutine and design of the voice broadcast subroutine. The design come true of the bus stop reporters speech stations broadcasting and the station number display, pull in and outbound, the station only by the driver pressing the function key will complete the automatic broadcast station names and service terms, to provide a more personalized and better services; system has a good stable and reliable, good ant

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