Based on monolithic integrated circu it's mu lti-pu rpose rental car mileage fare meter's design Abstract: Introduced that one kind take monolithic integrated circuit A T89S52 as the core multi-purpose rental car mileage fare meter's design, elaborates in the software and hardware design process key technologies processing. The simulation result indicated that this mileage fare meter has the collection idea regulation, the time, the cost, the memory, the examination, the statistics and so on many kinds of measurement functions, and has the overspeed reminder, to prevent the driver to cheat, the pronunciation, the printing and the demonstration and so on many kinds of functions. Compares with the existing system, this system has the overspeed reminder and so on a stronger function. 1 introduction 1 introduction the rental car mileage fare meter is the rental car transport business charge special-purpose intellectualized measuring appliance, along with electronic technology's development, the rental car mileage fare meter technology unceasingly is also progressing and enhances. The domestic rental car mileage fare meter had already experienced 4 stage development. From the tradition completely the mechanical type which is composed of the mechanical primary device, namely replaces the part mechanical primary device's rental car mileage fare meter to half electronic formula with the electronic circuit; Again from integrated circuit type to present monolithic integrated circuit system design rental car mileage fare meter. The rental car mileage fare meter cost is whether accurate, the taxi driver whether overspeed is the passenger most issue of concern, but mileage fare meter transport business data management whether...
