<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[MC03芯片的PTC5引脚初始化配置输出低电平，在上电后出现一段高电平是怎么回事？]]></title><description><![CDATA[<p dir="auto">MC03芯片的PTC5引脚初始化配置输出低电平，在上电后出现一段高电平是怎么回事？</p>
]]></description><link>https://forum.ytmicro.com/topic/2326/mc03芯片的ptc5引脚初始化配置输出低电平-在上电后出现一段高电平是怎么回事</link><generator>RSS for Node</generator><lastBuildDate>Mon, 26 Oct 2026 09:33:48 GMT</lastBuildDate><atom:link href="https://forum.ytmicro.com/topic/2326.rss" rel="self" type="application/rss+xml"/><pubDate>Mon, 26 Oct 2026 07:23:46 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to MC03芯片的PTC5引脚初始化配置输出低电平，在上电后出现一段高电平是怎么回事？ on Mon, 26 Oct 2026 07:29:02 GMT]]></title><description><![CDATA[<p dir="auto">查了一下手册，PTC5属于JTAG引脚，在上电的时候默认是上拉状态。<br />
<img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/1026/7a8c0df4-00ce-4bdd-86b9-c9ad09c532e7.png" alt="image.png" class=" img-fluid img-markdown" /></p>
]]></description><link>https://forum.ytmicro.com/post/9994</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9994</guid><dc:creator><![CDATA[yangke]]></dc:creator><pubDate>Mon, 26 Oct 2026 07:29:02 GMT</pubDate></item><item><title><![CDATA[Reply to MC03芯片的PTC5引脚初始化配置输出低电平，在上电后出现一段高电平是怎么回事？ on Mon, 26 Oct 2026 07:27:30 GMT]]></title><description><![CDATA[<p dir="auto"><img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/1438/969a959d-24f5-410f-bb60-93b82a39a6de.png" alt="65ea695b536f0f6eafd0d3bc1e9b8b57.png" class=" img-fluid img-markdown" /></p>
]]></description><link>https://forum.ytmicro.com/post/9993</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9993</guid><dc:creator><![CDATA[lhb]]></dc:creator><pubDate>Mon, 26 Oct 2026 07:27:30 GMT</pubDate></item><item><title><![CDATA[Reply to MC03芯片的PTC5引脚初始化配置输出低电平，在上电后出现一段高电平是怎么回事？ on Mon, 26 Oct 2026 07:25:50 GMT]]></title><description><![CDATA[<p dir="auto">看下外围电路，是自己板子还是demo板</p>
]]></description><link>https://forum.ytmicro.com/post/9992</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9992</guid><dc:creator><![CDATA[李富贵]]></dc:creator><pubDate>Mon, 26 Oct 2026 07:25:50 GMT</pubDate></item><item><title><![CDATA[Reply to MC03芯片的PTC5引脚初始化配置输出低电平，在上电后出现一段高电平是怎么回事？ on Mon, 26 Oct 2026 07:24:43 GMT]]></title><description><![CDATA[<p dir="auto">方便截图一下PTC5引脚的配置代码吗？</p>
]]></description><link>https://forum.ytmicro.com/post/9991</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9991</guid><dc:creator><![CDATA[yangke]]></dc:creator><pubDate>Mon, 26 Oct 2026 07:24:43 GMT</pubDate></item></channel></rss>