基于EP7312的税控收款机系统的设计

The Design of Fiscal Cash Register System based on the ARM-EP7312

本文介绍了一种税控收款机微控制器系统,此系统融合智能卡应用技术,使税务部门监管人员和操作员能及时掌控所有时段的交易和税务信息。详细描述了此系统的硬件设计原理,对中央处理器、串口扩展、智能卡控制等模块进行了说明;同时描述了软件设计原理,对税控、通讯等软件部分进行了详述。整个系统设计简洁,可靠性高,实时性和扩展性强,具有很强的竞争优势。

This paper introduces the Fiscal cash register system designed on the basis of 32-bit embedded system,which helps tax department supervisors and operators a lot to control time periods of transactions and tax information.It introduces the principle of hardware design,defines the modules design in details,including CPU,UART expansion,IC card etc.Also it gives a description of the software design principle and the software modules consisting mainly of the fiscal cash,communication,etc.The system is of concise design,high reliability,strong timeliness and expansibility,which therefore has competitive edge.