《嵌入式系统分析》课程论文税控收款机系统设计方案3VIP免费

第1页共18页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共18页《嵌入式系统分析》课程论文税控收款机系统设计方案一、需求分析..........................................................................................................31.基本需求..........................................................................................................32.功能需求..........................................................................................................33.性能需求..........................................................................................................44.设计约束..........................................................................................................4二、工作原理..........................................................................................................41.发放（票源控制）..........................................................................................52.开具发票（防伪原理）..................................................................................53.验证发票（识伪原理）..................................................................................64.税源控制..........................................................................................................75.稽查..................................................................................................................7三、总体设计..........................................................................................................81.税务端..............................................................................................................81.硬件设计...................................................................................................8硬件结构............................................................................................9结构说明............................................................................................92.软件设计...................................................................................................9软件结构..........................................................................................10功能模块..........................................................................................102.企业端............................................................................................................121.硬件设计.................................................................................................12硬件结构..........................................................................................12结构说明..........................................................................................122.软件设计.................................................................................................13软件结构..........................................................................................13功能模块..........................................................................................14四、扩展性............................................................................................................16参考资料......................................................................................................................18第2页共18页第1页共18页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟...