<?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[LE1 串口通讯 9600波特率，需要外挂晶振吗]]></title><description><![CDATA[<p dir="auto"><img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/54/2292d76c-efe1-4abc-ae01-a30710fe7648.png" alt="3515dce2-b9e7-4659-8fc7-8024e634b419-image.png" class=" img-fluid img-markdown" /> 请教一下，LE1X使用串口通讯，波特率是9600，可以不外挂晶振吗<br />
<img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/54/48926219-4293-42b8-9f07-78ef78cec93f.png" alt="1adb4deb-e02b-4cc2-bd3c-38be20d993ad-image.png" class=" img-fluid img-markdown" /></p>
]]></description><link>https://forum.ytmicro.com/topic/1882/le1-串口通讯-9600波特率-需要外挂晶振吗</link><generator>RSS for Node</generator><lastBuildDate>Fri, 10 Apr 2026 21:39:10 GMT</lastBuildDate><atom:link href="https://forum.ytmicro.com/topic/1882.rss" rel="self" type="application/rss+xml"/><pubDate>Fri, 10 Apr 2026 07:41:51 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to LE1 串口通讯 9600波特率，需要外挂晶振吗 on Fri, 10 Apr 2026 08:29:00 GMT]]></title><description><![CDATA[<p dir="auto">这个具体看对时钟精度的容忍程度，使用内部时钟就要接受它的误差，使用晶振可以有更好的精度，推荐使用晶振作为时钟源。</p>
]]></description><link>https://forum.ytmicro.com/post/8183</link><guid isPermaLink="true">https://forum.ytmicro.com/post/8183</guid><dc:creator><![CDATA[xianghan]]></dc:creator><pubDate>Fri, 10 Apr 2026 08:29:00 GMT</pubDate></item></channel></rss>