<?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[ME05 I2C主机模式 只能发送一个字节]]></title><description><![CDATA[<p dir="auto"><img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/1109/9e7bbee7-dbbd-4666-a839-a807bf88b57a.png" alt="d724b9bc-caf7-420b-9927-f35f0ea9fe68-image.png" class=" img-fluid img-markdown" /><br />
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只能发送一个字节，有ACK回应，这是为啥</p>
]]></description><link>https://forum.ytmicro.com/topic/2097/me05-i2c主机模式-只能发送一个字节</link><generator>RSS for Node</generator><lastBuildDate>Tue, 07 Jul 2026 18:42:11 GMT</lastBuildDate><atom:link href="https://forum.ytmicro.com/topic/2097.rss" rel="self" type="application/rss+xml"/><pubDate>Tue, 07 Jul 2026 08:20:22 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to ME05 I2C主机模式 只能发送一个字节 on Tue, 07 Jul 2026 11:07:25 GMT]]></title><description><![CDATA[<p dir="auto">从机地址的问题从机地址是需要设置偏移前的地址；<br />
然后有个新问题，<br />
<img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/1109/54faa1e9-9134-4beb-b197-ada34543dbfd.jpg" alt="efb06de348bd3420bdec4c099cf8eacd.jpg" class=" img-fluid img-markdown" /><br />
<img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/1109/e1d78eb8-9f16-43df-9320-981d103c0fed.png" alt="81a24214f2478d1c7c8cfda7e8d89ff3.png" class=" img-fluid img-markdown" /><br />
驱动板I2C上拉2.2K(R240、R245)，灯板I2C在电平转换mos的GS之间上拉47k电阻（R7、R9）,测试2.2K上拉不加通信正常，测试加上2.2k上拉后，会进HardFault<br />
<img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/1109/478ec6a8-0bb4-4cf4-95ce-b7d0884d0794.png" alt="image.png" class=" img-fluid img-markdown" /></p>
]]></description><link>https://forum.ytmicro.com/post/9131</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9131</guid><dc:creator><![CDATA[Monster]]></dc:creator><pubDate>Tue, 07 Jul 2026 11:07:25 GMT</pubDate></item></channel></rss>