《毕业设计：单片机粮仓多点温度巡回检测系统课程设计》.doc

PAGE  ormat.LineSpacingLinesToPoints(2)Selection.ParagraphFormat.LineSpacingLinesToPointselection.ParagraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaphFormat.LineSpacingLinesToPoints(2)Selection.ParagraphFormat.LineSpacingLinesToPoction.ParagraphForm Selection.ParagraphFormaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaat.LineSpacingLinesToPoints(2)Selection.ParagraphFormat.LineSpacingLinesToPointselection.ParagraphFormat.LineSpacingLinesToPoints(2)Selection.ParagraphFormat.LineSpacingLinesToPoction.ParagraphFormat.LineSpacingLinesToPoints(2Selection.ParagraphFormat.LineSpacingLinesToPoints(2)Selection.ParagraphFormat.LineSpacingLinesToPointselection.ParagraphFormat.LineSpacingLinesToPoints(2)Selection.ParagraphFormat.LineSpacingLinesToPoction.ParagraphFormat.LineSpacingLinesToPoints(2)Selection.ParagraphFaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaahF PAGE  目 录  TOC \o 1-3 \h \z \u  HYPERLINK \l _Toc231434727 1 引言  PAGEREF _Toc231434727 \h 1  HYPERLINK \l _Toc231434728 1.1 本设计的意义  PAGEREF _Toc231434728 \h 1  HYPERLINK \l _Toc231434729 1.2 国内外现状分析  PAGEREF _Toc231434729 \h 1  HYPERLINK \l _Toc231434730 1.3 论文的主要内容  PAGEREF _Toc231434730 \h 2  HYPERLINK \l _Toc231434731 2 系统总体方案设计  PAGEREF _Toc231434731 \h 2  HYPERLINK \l _Toc231434732 3 硬件部分设计  PAGEREF _Toc231434732 \h 3  HYPERLINK \l _Toc231434733 3.1 AT89C51介绍  PAGEREF _Toc231434733 \h 3  HYPERLINK \l _Toc231434734 3.1.1 主要性能  PAGEREF _Toc231434734 \h 3  HYPERLINK \l _Toc231434735 3.1.2 引脚功能说明  PAGEREF _Toc231434735 \h 4  HYPERLINK \l _Toc231434736 3.2 传感器模块部分设计  PAGEREF _Toc231434736 \h 4  HYPERLINK \l _Toc231434737 3.2.1 AD590主要特性  PAGEREF _Toc231434737 \h 5  HYPERLINK \l _Toc231434738 3.2.2 与ADC0809接口  PAGEREF _Toc231434738 \h 6  HYPERLINK \l _Toc231434739 3.3 数模转换部分硬件设计  PAGEREF _Toc231434739 \h 6  HYPERLINK \l _Toc231434740 3.3.1 ADC080