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目录摘要............................................................................................................................-1-关键词............................................................................................................................-1-第1章引言..................................................................................................................-2-1.1设计概述.............................................................................................................-2-1.2设计的目标与意义.............................................................................................-3-1.3作品的应用价值及特点创新.............................................................................-3-1.4章节安排.............................................................................................................-4-第2章方案论证与选型..............................................................................................-5-2.1设计任务分析.....................................................................................................-5-2.2选择方案.............................................................................................................-5-2.2.1方案一.......................................................................................................-5-2.2.2方案二.......................................................................................................-6-2.3方案确定.............................................................................................................-7-2.3.1LCD12864主要参数.................................................................................-7-2.3.2ST7920的主要特点.................................................................................-8-2.3.3AT89S52主要性能.................................................................................-10-2.3.4AT89S52资源分配...................................................................................-10-2.3.5AT89S52外部引脚资源分配................................................