【摘要】 国家税收电子化正在不断深入发展,税控收款机和税控器是解决税收电子化的两类产品,税控收款机系统的设计一般采用嵌入式系统结构。嵌入式系统的开发首先选取合适的微处理器和嵌入式操作系统,根据税控收款机对软硬件的要求,选取W90N740CD微处理器和uClinux操作系统,提出了一种税控收款机系统的设计方案,并就软硬件关键技术的实现进行了论述。该方案已成功的开发为产品,功能、性能优于国标。更多还原

【Abstract】 Electronic revenue of china is further developing,the fiscal casher register and fiscal processor are the two sort of product.The design of fiscal casher register generally adopt embedded system structure.The embedded system exploitation should select appro-priate microprocessor and operation system firstly.W90N740CD microprocessor and uClinux operation system are selected according to the request of fiscal cash register sysytem software and hardware,a design project of fiscal cash register system is introduced,the im-plementation of software and hardware main technology is discussed.The project is used for the product development,function and per-formance is better than the country’s standard.更多还原