<div class="document"> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> 1、项目功能介绍</h3> <hr class="horizontal-splitline normal-bold-2">数码管桌面时间，显示时间，设置闹钟以及显示温湿度情况。 <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">2、项目属性</h3> <hr class="horizontal-splitline normal-bold-2">项目为立创2023年EDA暑期训练营标准项目，采用公开的原理图，结算身上的元件进行部分调整。<br> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">3、开源协议</h3> <hr class="horizontal-splitline normal-bold-2"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#000000;font-size:16px;">完全开源。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">4、硬件部分</h3> <hr class="horizontal-splitline normal-bold-2"><strong>1）TYPE-C供电及指示</strong></div> <div class="document"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/KVMwyRHJbgn6BSul40Mdkp3S2ZEs0mOiLXmAsKfN.png" alt="KVMwyRHJbgn6BSul40Mdkp3S2ZEs0mOiLXmAsKfN.png" width="293" height="212"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">增加了CC识别电阻，通用某些快充的5V输入识别，绿色LED为外接电源指示灯。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong>2）锂电池供电部分</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/wTxGursXAYuZZOrsAUJpCoxCxcWu6pfBpQMUJNxI.png" alt="wTxGursXAYuZZOrsAUJpCoxCxcWu6pfBpQMUJNxI.png" width="274" height="206"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">当外接typec电源供电时，P-MOS管G级为高电平截止导通，锂电池不供电；</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">当VBUS无输入时，P-MOS由于体二级管存在G级为负电位，MOS管导通，锂电池接入后级电路供电。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong>3）锂电池充电电路</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/0Zkm1LgDyJE43WEP4OvETiyxMmTBHYefeFdJWSgj.png" alt="0Zkm1LgDyJE43WEP4OvETiyxMmTBHYefeFdJWSgj.png" width="356" height="196"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">采用外部USB供电时，电路TP4056为锂电池充电。电路按数据手册标准电路绘制，无温度控制。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">芯片PROG引导为充电电流制作引脚，数据关系如下，可按要求修改。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/2jKq8i0XQLOZyrtP3wti6XLos96MUdgZw8B0SPPO.png" alt="2jKq8i0XQLOZyrtP3wti6XLos96MUdgZw8B0SPPO.png" width="376" height="236"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong>4）DHT11温湿度检测</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/Mok6Mx2O7HAQ9VFn9Rapv18Ud1v5vKVy7TrgT86j.png" alt="Mok6Mx2O7HAQ9VFn9Rapv18Ud1v5vKVy7TrgT86j.png" width="397" height="319"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">通过10K电阻上拉，数据传输通过单片机P301端口进行。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong>5）触摸按键感应电路</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">瑞萨单片机内部自带触摸功能，通过简单外围电路可实际触摸按键功能，触摸感应与单片机P015引脚连接。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/9WAWjjnNYBHWaoALFM8ETBO0yV7adyn9jqLJx5P4.png" alt="9WAWjjnNYBHWaoALFM8ETBO0yV7adyn9jqLJx5P4.png"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong>6）蜂鸣报警电路</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/6efpgXO5B00IEnvf9TmBpvSCUnevQSV6HxW4xlM7.png" alt="6efpgXO5B00IEnvf9TmBpvSCUnevQSV6HxW4xlM7.png" width="365" height="364"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">由单片机P302引脚，根据设置输出PWM驱动蜂鸣器。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong>7）主控芯片电路</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">主控采用瑞萨R7EA2F1A72DFL基础低功耗单片机，基本参数为：</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">CPU内核：ARM-M系列 CPU最大主频：48MHz 工作电压范围：1.6V~5.5V 程序存储容量：64KB GPIO端口数量：40  ADC：12位。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/Pwke4GTbZoChGyysmjbQERfOcDW8xdJIBvhYohG7.png" alt="Pwke4GTbZoChGyysmjbQERfOcDW8xdJIBvhYohG7.png" width="782" height="505"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong>8)主控基础外围电路</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong><img src="//image.lceda.cn/pullimage/MSd79aTOxtjZAKvvQEO8GHYpspxFormr0ggpO7Jy.png" alt="MSd79aTOxtjZAKvvQEO8GHYpspxFormr0ggpO7Jy.png" width="408" height="303"></strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/YX54skvxDJSA1JSAbpg3xB9gvsWBfESli1dP7rUt.png" alt="YX54skvxDJSA1JSAbpg3xB9gvsWBfESli1dP7rUt.png" width="424" height="123"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/ZlQTqXlfMaTdpQKTIRrHST6clEVyg8kZEXIzehvQ.png" alt="ZlQTqXlfMaTdpQKTIRrHST6clEVyg8kZEXIzehvQ.png" width="422" height="99"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">5、软件部分</h3> <hr class="horizontal-splitline normal-bold-2"> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">采用E2studio,按教程进行编写及修改，增加及减少的功能键做了调整，将第四处按键利用显示温度及湿度等。</h3> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </h3> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </h3> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/08NUzTbR9dcht9clzbvvJMpFLqxM3y5DQD34zzQh.png" alt="" width="1200" height="1200"></h3> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/wnOEFECNYxcC5XgzBRtGoDRBFeXmItUVEeQ7srEw.png" alt="wnOEFECNYxcC5XgzBRtGoDRBFeXmItUVEeQ7srEw.png" width="669" height="383"><img src="//image.lceda.cn/pullimage/y9IQkML10ptE1km7Ux4lcNt7qfClFZ8zsg1sC97q.png" alt="" width="692" height="383"></h3> </div> <p> </p> <p> </p>