<?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[使用 I2C_master_demo   读写 EEPROM  ，写函数老是返回STATUS_I2C_LINE_LOW_TIMEOUT ，写进去{ 0x00, 0x58}   读出来的都是FF]]></title><description><![CDATA[<p dir="auto"><img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/2142/11cf92d3-7f20-4103-9f7c-3a5ea83672b2.png" alt="c401e9dc-fad2-4315-8c60-ceff688f475a-image.png" class=" img-fluid img-markdown" />  SDA的波形看起来很正确，  0XA0, 00, 0X58(A0 是器件地址， )</p>
]]></description><link>https://forum.ytmicro.com/topic/2245/使用-i2c_master_demo-读写-eeprom-写函数老是返回status_i2c_line_low_timeout-写进去-0x00-0x58-读出来的都是ff</link><generator>RSS for Node</generator><lastBuildDate>Fri, 11 Sep 2026 10:48:31 GMT</lastBuildDate><atom:link href="https://forum.ytmicro.com/topic/2245.rss" rel="self" type="application/rss+xml"/><pubDate>Thu, 10 Sep 2026 11:10:22 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to 使用 I2C_master_demo   读写 EEPROM  ，写函数老是返回STATUS_I2C_LINE_LOW_TIMEOUT ，写进去{ 0x00, 0x58}   读出来的都是FF on Fri, 11 Sep 2026 01:07:44 GMT]]></title><description><![CDATA[<p dir="auto"><img src="https://yt-static-main.oss-cn-shanghai.aliyuncs.com/nodebb/2142/a5c662fc-a90a-4e1b-893b-52d063c2e76e.png" alt="image.png" class=" img-fluid img-markdown" />  DEMO  CODE 中的 写 EEPROM 的数组 有问题， EEPROM 的规范 中  subaddress  是 2个 字节， 所以， 要写 0 地址 的位置， 要有 2个 0x00.</p>
]]></description><link>https://forum.ytmicro.com/post/9666</link><guid isPermaLink="true">https://forum.ytmicro.com/post/9666</guid><dc:creator><![CDATA[yuangz]]></dc:creator><pubDate>Fri, 11 Sep 2026 01:07:44 GMT</pubDate></item></channel></rss>