国产FPGA高云GW1N-4系列开发板测评之——开箱+硬件篇2
本帖最后由 打破传统 于 2021-12-12 12:52 编辑<p style="text-indent:31.0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">等了好几天了，快递是6号寄出的昨天下午才到，没来得及开箱，今天一来公司就迫不及待的打开瞅瞅了，带大家一起看看：</span></span></span></span></span></span></span></span></p>
<p style="text-indent:31.0pt; text-align:justify"> <span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">下面是所以配件</span></span></span></span></span></span></span></span></p>
<p style="text-indent:31.0pt; text-align:justify"> <span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">来一张特写：</span></span></span></span></span></span></span></span></p>
<p style="text-indent:31.0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">然后然后我就发现一个问题这个板子没有发错吧？</span></span></span></span></span></span></span></span></p>
<p style="text-indent:31.0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">如上图所示丝印上明明是V1.0,确实跟说明书里的不太一样（如下图），还少了个串行Flash,莫非还得把之前发的测评改改，开个玩笑（应该是中了后补的那两块中的一块？），稍后试试硬件有没有问题，看能不能淘一个Flash焊接上即可。</span></span></span></span></span></span></span></span></p>
<p style="text-indent:31.0pt; text-align:justify"> <span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">言归正传今天来学习</span></span></span></span><span lang="EN-US" style="background:white"><span style="font-family:"微软雅黑",sans-serif"><span style="color:#444444"><span style="letter-spacing:.75pt">DK_MINI_GW1N-LV4LQ144C6I5_V1.0</span></span></span></span><span style="background:white"><span style="font-family:"微软雅黑",sans-serif"><span style="color:#444444"><span style="letter-spacing:.75pt">外设片。</span></span></span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">电源部分：</span></span></span></span></span></span></span></span></p>
<p style="text-indent:34.5pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">电源通过USB5V供电，DC-DC通过LDO芯片实现由5V 到 3.3V、3V3,5V 到 1.2V 的变换,电流达1A,分配示意图如下<font color="#001000" face="-apple-system,SF UI Text,Arial,PingFang SC,Hiragino Sans GB,Microsoft YaHei,WenQuanYi Micro Hei,sans-serif,SimHei,SimSun" size="3">,</font></span></span></span></span></span></span></span></span><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#444444"><span style="letter-spacing:.75pt">有个疑问xilinx的FPGA对上电顺序是有一定要求的，但高云FPGA似乎好像没有说明？</span></span></span></span></span></span></span></span></p>
<p style="text-indent:34.5pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">下载电路部分：</span></span></span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333"> 下载电路为USB转JTAG,或直接JTAG,外置一个串行Flash，配合MODE0 和 MODE1可进行三种模式编程，示意图如下：</span></span></span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">时钟复位电路：</span></span></span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333"> 时钟外接一个50Mhz的晶振，复位连接一个按键，示意图如下：</span></span></span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span lang="EN-US" style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">16</span></span></span></span><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">路LED电路:</span></span></span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span lang="EN-US" style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333"> LED</span></span></span></span><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">一端接到3.3V，另一端接到FPGA的bank0，将管脚配置为输出脚给0及可点亮LED，后面我们会做一个流水灯实验，示例如下:</span></span></span></span></span></span></span></p>
<p style="text-indent:31.0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">开关电路：</span></span></span></span></span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333"> 开关是4个滑动开关连接到Bank2上，将bank2相应管脚设置为输入脚，波动开关即可得到相应的逻辑变化，后面跟LED实验一起做一个开关控制LED流水的实验，示例图如下：</span></span></span></span></span></span></span></p>
<p style="text-indent:31.0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">数码管电路：</span></span></span></span></span></span></span></p>
<p style="text-indent:28.5pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">数码管是一个4位数码管连接到Bank0,后面我们联动开关和led做一个小实验，示例图如下：</span></span></span></span></span></span></span></p>
<p style="text-indent:28.5pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span lang="EN-US" style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">GPIO</span></span></span></span><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">电路：</span></span></span></span></span></span></span></p>
<p style="text-indent:28.5pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span lang="EN-US" style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">GPIO</span></span></span></span><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">电路包括两组8pin、一组24pin和一组32pin,连接到FPGA的其余I/O脚上，后面做步进电机的实验我们会用到，示例如下：</span></span></span></span></span></span></span></p>
<p style="text-indent:31.0pt; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:等线"><span style="text-justify:inter-ideograph"><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:宋体"><span style="color:#333333">硬件篇就学习到这里，下面我们进行软件的学习。</span></span></span></span></span></span></span></p>
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