<?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[关于V851s使用AXP2101问题]]></title><description><![CDATA[<p dir="auto">请问V851s可以直接使用AXP2101吗？</p>
<p dir="auto"><img src="/assets/uploads/files/1770885366573-4985dfa9-5ce7-4217-a583-f169da1e1ac9-image.png" alt="4985dfa9-5ce7-4217-a583-f169da1e1ac9-image.png" class=" img-responsive img-markdown" width="1100" height="970" /><br />
<img src="/assets/uploads/files/1770886023683-57427bf7-91a5-412a-a40a-36879cd28f97-image.png" alt="57427bf7-91a5-412a-a40a-36879cd28f97-image.png" class=" img-responsive img-markdown" width="1614" height="914" /></p>
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<p dir="auto">AXP2101上电是不是会默认输出一个电压值，DC/DC3 和 DC/DC4 默认输出 0.9V 1.5V 保证BOOTROM可以正常copy spl，然后后续的输出会根据uboot-board.dts设置输出（我不想用xr806去控制axp2101，而是用V85x直接控制）。<br />
<img src="/assets/uploads/files/1770885597054-785aff3b-e569-4e3d-9763-032899367068-image.png" alt="785aff3b-e569-4e3d-9763-032899367068-image.png" class=" img-responsive img-markdown" width="374" height="260" /></p>
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<p dir="auto">我发现V853控制AXP2101是通过，TWI4，"PI01", "PI02" 引脚，但是V851s并没有这组引脚，我想直接使用V851s控制AXP2101，而不是按上面的用xr806控制AXP2101，可以做到吗？只是换一组TWI就可以了吗，还是要求指定TWI<br />
<img src="/assets/uploads/files/1770885693433-a5786e82-2a9e-4441-a242-804ca24e97e6-image.png" alt="a5786e82-2a9e-4441-a242-804ca24e97e6-image.png" class=" img-responsive img-markdown" width="482" height="180" /><br />
<img src="/assets/uploads/files/1770885722472-8ac71c0f-11f6-426c-9c97-bdb1884ccf26-image.png" alt="8ac71c0f-11f6-426c-9c97-bdb1884ccf26-image.png" class=" img-responsive img-markdown" width="482" height="778" /></p>
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