<?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[YTM32B1MC03，MPWM问题]]></title><description><![CDATA[<p dir="auto">我使用YTM32B1MC03的MPWM，功能时钟是80 MHz，分频为128，计数器为16位。输出10Hz正常，9Hz就异常，1Hz更不正常。为什么频率降低一点就出问题?</p>
]]></description><link>https://forum.ytmicro.com/topic/2274/ytm32b1mc03-mpwm问题</link><generator>RSS for Node</generator><lastBuildDate>Thu, 08 Oct 2026 22:40:05 GMT</lastBuildDate><atom:link href="https://forum.ytmicro.com/topic/2274.rss" rel="self" type="application/rss+xml"/><pubDate>Thu, 08 Oct 2026 06:00:57 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to YTM32B1MC03，MPWM问题 on Thu, 08 Oct 2026 06:17:27 GMT]]></title><description><![CDATA[<p dir="auto"><img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/1026/605c754f-c810-42b9-9ec5-c3a481a26cfe.png" alt="85b955a6-7879-4a21-accc-40537de72cb7-image.png" class=" img-fluid img-markdown" /> ，除了降低时钟还可以考虑使用eTMR进行pwm输出</p>
]]></description><link>https://forum.ytmicro.com/post/9800</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9800</guid><dc:creator><![CDATA[yangke]]></dc:creator><pubDate>Thu, 08 Oct 2026 06:17:27 GMT</pubDate></item><item><title><![CDATA[Reply to YTM32B1MC03，MPWM问题 on Thu, 08 Oct 2026 06:09:59 GMT]]></title><description><![CDATA[<p dir="auto">降低总线时钟可以实现1Hz输出，不过总线时钟降低可能会导致其他外设时钟也同步产生变化，这点需要注意</p>
]]></description><link>https://forum.ytmicro.com/post/9799</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9799</guid><dc:creator><![CDATA[yangke]]></dc:creator><pubDate>Thu, 08 Oct 2026 06:09:59 GMT</pubDate></item><item><title><![CDATA[Reply to YTM32B1MC03，MPWM问题 on Thu, 08 Oct 2026 06:04:44 GMT]]></title><description><![CDATA[<p dir="auto">那我降低总线时钟就可以了吗?</p>
]]></description><link>https://forum.ytmicro.com/post/9798</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9798</guid><dc:creator><![CDATA[Sophie]]></dc:creator><pubDate>Thu, 08 Oct 2026 06:04:44 GMT</pubDate></item><item><title><![CDATA[Reply to YTM32B1MC03，MPWM问题 on Thu, 08 Oct 2026 06:03:35 GMT]]></title><description><![CDATA[<p dir="auto">计数器最大计数值为65535。当前配置分频后的计数频率是 625 kHz，计算出来10 Hz 每周期需要 62,500 个计数，1 Hz 则需要 625,000 个计数，已经远超寄存器计数范围了</p>
]]></description><link>https://forum.ytmicro.com/post/9797</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9797</guid><dc:creator><![CDATA[yangke]]></dc:creator><pubDate>Thu, 08 Oct 2026 06:03:35 GMT</pubDate></item></channel></rss>