【行空板 Python编程学习主控板】评测二、硬件系统熟悉
<div class='showpostmsg'><p> 一周工作终于结束，每天加班到很晚，都没有什么时间来学习行空板，赶紧趁着周末把玩一下。</p><p > 所谓工欲善其事必先利其器，我玩任何开发板都有个习惯，那就是上手前先要熟悉一下该板子的硬件设计，以便对硬件系统有个大概的了解。</p>
<p > 此次评测，官方DFRobot没有提供行空板的PDF原理图，估计是出于版权考虑吧。那就简单了解一下行空板的硬件架构设计及主要芯片是用的什么品牌、型号。 </p>
<p > （一）硬件架构介绍</p>
<p > 行空板采用MPU微处理器+MCU微控制器双架构，MPU+内存+硬盘+屏幕及外设组成计算机系统运行Linux系统，MCU负责其他板载元件及对外IO口的控制，计算机系统通过pinpong库对协处理器实现控制。</p>
<p class="imagemiddle" style="text-align: center;"></p>
<p style="text-align: center;"> 图1</p>
<p> （二）主要芯片及接口介绍</p>
<p> 芯片丝印比较小，表示眼睛不好使了，于是拿我用于邮票收藏的10倍放大镜看了一下，主要芯片型号、指标、厂家等信息见下表。</p>
<p align="center" >表一 主要芯片型号及参数指标</p>
<table style="border-collapse:collapse; border:none">
<tbody>
<tr>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:1px solid black">
<p style="text-align: center;">序号</p>
</td>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:none">
<p style="text-align: center;">芯片类型</p>
</td>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:none">
<p style="text-align: center;">芯片型号</p>
</td>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:none">
<p style="text-align: center;">主要指标</p>
</td>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:none">
<p style="text-align: center;">品牌厂家</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black">
<p style="text-align: center;">1</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">MPU微处理器</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>RK3308B</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>CPU：四核64位 ARM Cortex-A35；</p>
<p>主频：1.3GHz；</p>
<p>存储：⽀持DDR2，DDR3/DDR3L，LPDDR2，内存容量最⼤512MB；</p>
<p>⽀持NAND，SPI Flash/SPI NAND，eMMC，SDMMC启动；</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">锐芯微</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black">
<p style="text-align: center;">2</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">RAM</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>EM6HE16EWAKG-10H</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>256M x 16 bit DDR3L Synchronous DRAM，</p>
<p>工作电压:VDD&VDDQ = +1.35V；</p>
<p>工作温度： 0~85°C；</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">钰创</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black">
<p style="text-align: center;">3</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">Flash</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>KLMAG1JETD-B041</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>16GB eMMC 5.1</p>
<p>工作电压:VDD&VDDQ = +1.35V；</p>
<p>工作温度：-25℃~85°C；</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">三星</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black">
<p style="text-align: center;">4</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">MCU微控制器</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>GD32VF103C8T6 </p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>内核：RISC-V</p>
<p>主频：108MHz</p>
<p>Flash：64KB </p>
<p>SRAM：32KB</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">兆易创新</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black">
<p style="text-align: center;">5</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">WIFI&BT</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>RTL8723DS </p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>WIFI：2.4G</p>
<p>BT：4.0</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">Realtek</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black">
<p style="text-align: center;">6</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">六轴传感器</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>ICM20689</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p>三轴加速度&三轴陀螺仪</p>
<p>接口：8MHz SPI or 400kHz Fast Mode I2C；</p>
<p>工作电压 ：1.71V～3.45V；</p>
<p>工作温度：-40℃~85°C；</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none">
<p style="text-align: center;">TDK InvenSense</p>
</td>
</tr>
</tbody>
</table>
<p > </p>
<p > 行空板提供的电源、信号接口信息见下表。</p>
<p align="center" >表二 电源及信号接口</p>
<table style="border-collapse:collapse; border:none">
<tbody>
<tr>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:1px solid black" valign="top">
<p align="center" >序号</p>
</td>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >接口类型</p>
</td>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >数量</p>
</td>
<td style="border-bottom:1px solid black; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >说明</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top">
<p align="center" >１</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >USB Type-A</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >1</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" > </p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top">
<p align="center" >２</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >MicroSD</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >1</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" > </p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top">
<p align="center" >３</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >I2C</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >２</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >通过１个PH2.0 ４ＰＩＮ连接器接口引出</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top">
<p align="center" >４</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >Ｉ／Ｏ</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >４</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >通过４个PH2.0 ３ＰＩＮ连接器接口引出</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top">
<p align="center" >５</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >金手指</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >１</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >19路无冲突I/O（支持I2C、UART、SPI、ADC、PWM）</p>
</td>
</tr>
<tr>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top">
<p align="center" >６</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >电源</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >１</p>
</td>
<td style="border-bottom:1px solid black; border-top:none; border-right:1px solid black; border-left:none" valign="top">
<p align="center" >USB Type－C，５V/2A</p>
</td>
</tr>
</tbody>
</table>
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<p>
<p><br />
</p>
</p>
<p class="imagemiddle" style="text-align: center;"></p>
<p style="text-align: center;"> 图2</p>
<p > 行空板的接口信号定义如下图所示。</p>
<p class="imagemiddle" style="text-align: center;"></p>
<p style="text-align: center;"> 图3</p>
<p> （三）主要芯片数据手册</p>
<div> （1）MPU：</div>
<div> （2）MCU：</div>
<div> （3）DRAM：</div>
<div> （4）eMMC：</div>
<div> （5）6轴传感器：</div>
<p> </p>
<p > </p>
<p> </p>
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<p> 所谓工欲善其事必先利其器，我玩任何开发板都有个习惯，那就是上手前先要熟悉一下该板子的硬件设计，以便对硬件系统有个大概的了解。</p>
<p>这个好习惯值得大家学习。</p>
lugl4313820 发表于 2022-11-13 08:53
所谓工欲善其事必先利其器，我玩任何开发板都有个习惯，那就是上手前先要熟悉一下该板子的硬件设计， ...
<p>多谢鼓励。</p>
<p>金手指是兼容microbit的</p>
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