水域全自动增氧喂料系统目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc375079057"摘要PAGEREF_Toc375079057\h1HYPERLINK\l"_Toc375079058"一.绪论PAGEREF_Toc375079058\h2HYPERLINK\l"_Toc375079059"二.系统硬件的具体设计与实现PAGEREF_Toc375079059\h3HYPERLINK\l"_Toc375079060"1.系统原理和框图PAGEREF_Toc375079060\h3HYPERLINK\l"_Toc375079061"2.功能模块的设计PAGEREF_Toc375079061\h3HYPERLINK\l"_Toc375079062"2.1单片机介绍PAGEREF_Toc375079062\h3HYPERLINK\l"_Toc375079063"2.1.1STC89C52管脚说明PAGEREF_Toc375079063\h4HYPERLINK\l"_Toc375079064"2.1.2STC89C52主要特性PAGEREF_Toc375079064\h5HYPERLINK\l"_Toc375079065"2.1.3芯片擦除PAGEREF_Toc375079065\h6HYPERLINK\l"_Toc375079066"2.2DS1302时钟芯片PAGEREF_Toc375079066\h6HYPERLINK\l"_Toc375079067"2.2.1芯片原理PAGEREF_Toc375079067\h6HYPERLINK\l"_Toc375079068"2.2.2芯片管脚说明PAGEREF_Toc375079068\h7HYPERLINK\l"_Toc375079069"2.3液晶显示屏LCD1602PAGEREF_Toc375079069\h8HYPERLINK\l"_Toc375079070"2.3.1.引脚说明PAGEREF_Toc375079070\h8HYPERLINK\l"_Toc375079071"2.3.2字符显示地址说明PAGEREF_Toc375079071\h8HYPERLINK\l"_Toc375079072"2.3.3.读写时序操作PAGEREF_Toc375079072\h9HYPERLINK\l"_Toc375079073"2.3.4.仿真电路图PAGEREF_Toc375079073\h10HYPERLINK\l"_Toc375079074"三.系统软件设计PAGEREF_Toc375079074\h11HYPERLINK\l"_Toc375079075"1.程序描述PAGEREF_Toc375079075\h11HYPERLINK\l"_Toc375079076"2.程序流程图PAGEREF_Toc375079076\h11HYPERLINK\l"_Toc375079077"3.程序PAGEREF_Toc375079077\h12HYPERLINK\l"_Toc375079078"四.总结PAGEREF_Toc375079078\h13HYPERLINK\l"_Toc375079079"五.致谢PAGEREF_Toc375079079\h14HYPERLINK\l"_Toc375079080"六.参考文献PAGEREF_Toc375079080\h15HYPERLINK\l"_Toc375079081"七．附录PAGEREF_Toc375079081\h16HYPERLINK\l"_Toc375079082"1.仿真图PAGEREF_Toc375079082\h16HYPERLINK\l"_Toc375079083"2.原理图PAGEREF_Toc375079083\h17HYPERLINK\l"_Toc375079084"3.主程序PAGEREF_Toc375079084\h17摘要本系统以单片机STC89C52、时钟芯片DS1302和LCD1602液晶显示为核心，具备调节时间，设置定时增氧和喂料。正常情况下，显示实时日期和时间，外设4个调节按键，可以调节实时时间，还可以分别设置开始和结束时间，当