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<p style='margin:0mm'><span lang=EN-US style='font-size:20.0pt;font-family:
游ゴシック'>G2505_U35_MCP3425_</span><span style='font-size:20.0pt;font-family:游ゴシック'>ＡＤ変換ＩＣ</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:10.0pt;font-family:
游ゴシック;color:#767676'>2025</span><span style='font-size:10.0pt;font-family:游ゴシック;
color:#767676'>年<span lang=EN-US>1</span>月<span lang=EN-US>4</span>日</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:10.0pt;font-family:
游ゴシック;color:#767676'>12:48</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>G2505_lpc11u35_mcp3425_ad_report</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US><a
href="https://akizukidenshi.com/catalog/g/g108018/"><span style='font-size:
11.0pt;font-family:游ゴシック'>MCP3425(16Bit ADC I2C </span><span lang=EN-US
style='font-size:11.0pt;font-family:游ゴシック'><span lang=EN-US>基準電圧内蔵)</span></span><span
lang=EN-US style='font-size:11.0pt;font-family:游ゴシック'><span lang=EN-US>搭載モジュール:
</span></span><span lang=EN-US style='font-size:11.0pt;font-family:游ゴシック'><span
lang=EN-US>半導体</span></span><span lang=EN-US style='font-size:11.0pt;
font-family:游ゴシック'><span lang=EN-US> </span></span><span lang=EN-US
style='font-size:11.0pt;font-family:游ゴシック'><span lang=EN-US>秋月電子通商-</span></span><span
lang=EN-US style='font-size:11.0pt;font-family:游ゴシック'><span lang=EN-US>電子部品・ネット通販</span></span></a></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span style='font-size:11.0pt;font-family:游ゴシック'>・刻印<span
lang=EN-US> CQGP</span></span></p>

<p style='margin:0mm'><span style='font-size:11.0pt;font-family:游ゴシック'>・内蔵<span
lang=EN-US> VREF 2.048V</span></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=600 height=281 id="図 1"
src="G2505_lpc11u35_mcp3425_ad_report.files/image001.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=99 height=156 id="図 2"
src="G2505_lpc11u35_mcp3425_ad_report.files/image002.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:10.5pt;font-family:
"Century",serif'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=563 height=353 id="図 3"
src="G2505_lpc11u35_mcp3425_ad_report.files/image003.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=605 height=388 id="図 4"
src="G2505_lpc11u35_mcp3425_ad_report.files/image004.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<ul style='margin-top:0mm' type=disc>
 <li class=MsoNormal style='vertical-align:middle'><span lang=EN-US
     style='font-size:11.0pt;font-family:游ゴシック'>I2C</span><span
     style='font-size:11.0pt;font-family:游ゴシック'>アドレス検索がおかしい</span></li>
 <li class=MsoNormal style='vertical-align:middle'><span lang=EN-US
     style='font-size:11.0pt;font-family:游ゴシック'>LPC812</span><span
     style='font-size:11.0pt;font-family:游ゴシック'>では、<span lang=EN-US>D0</span>が正解だったので、<span
     lang=EN-US>D0</span>を利用します</span></li>
 <li class=MsoNormal style='vertical-align:middle'><span style='font-size:11.0pt;
     font-family:游ゴシック'>このバグは後日対策します</span></li>
 <li class=MsoNormal style='vertical-align:middle'><span style='font-size:11.0pt;
     font-family:游ゴシック'>アドレスは、共用関数内部に固定で定義されていました</span></li>
</ul>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=599 height=232 id="図 5"
src="G2505_lpc11u35_mcp3425_ad_report.files/image005.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=545 height=352 id="図 6"
src="G2505_lpc11u35_mcp3425_ad_report.files/image006.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>uint32_t ad_dat;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// AD</span><span
style='font-size:11.0pt;font-family:游ゴシック'>変換結果</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>uint8_t
ad_bit;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//
</span><span style='font-size:11.0pt;font-family:游ゴシック'>変換ビット数</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=468 height=147 id="図 7"
src="G2505_lpc11u35_mcp3425_ad_report.files/image007.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//
MCP3425</span><span style='font-size:11.0pt;font-family:游ゴシック'>実験</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ad_bit
= cha_dec_to_int(rcv_buf,1,2);</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ad_dat
= mcp3425_read(ad_bit);</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>   
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;UART_msg_dec(&quot;ad=&quot;,ad_dat,&quot;\r\n&quot;);</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=417 height=176 id="図 8"
src="G2505_lpc11u35_mcp3425_ad_report.files/image008.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=471 height=189 id="図 9"
src="G2505_lpc11u35_mcp3425_ad_report.files/image009.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=479 height=193 id="図 10"
src="G2505_lpc11u35_mcp3425_ad_report.files/image010.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span style='font-size:11.0pt;font-family:游ゴシック'>★　下記は完全なオーバーフローでした</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=432 height=191 id="図 11"
src="G2505_lpc11u35_mcp3425_ad_report.files/image011.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span style='font-size:11.0pt;font-family:游ゴシック;
background:aqua'>変換速度<span lang=EN-US> 12 bit</span></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=552 height=295 id="図 12"
src="G2505_lpc11u35_mcp3425_ad_report.files/image012.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=592 height=237 id="図 13"
src="G2505_lpc11u35_mcp3425_ad_report.files/image013.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span style='font-size:11.0pt;font-family:游ゴシック;
background:aqua'>変換速度<span lang=EN-US>14Bit</span></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=546 height=328 id="図 14"
src="G2505_lpc11u35_mcp3425_ad_report.files/image014.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=544 height=192 id="図 15"
src="G2505_lpc11u35_mcp3425_ad_report.files/image015.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span style='font-size:11.0pt;font-family:游ゴシック;
background:aqua'>変換速度<span lang=EN-US>16Bit</span></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=542 height=283 id="図 16"
src="G2505_lpc11u35_mcp3425_ad_report.files/image016.jpg"></span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'>&nbsp;</span></p>

<p style='margin:0mm'><span lang=EN-US style='font-size:11.0pt;font-family:
游ゴシック'><img border=0 width=536 height=153 id="図 17"
src="G2505_lpc11u35_mcp3425_ad_report.files/image017.jpg"></span></p>

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