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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Using POF (Power-fail comparator) on startup</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/116663/using-pof-power-fail-comparator-on-startup</link><description>I need to detect the VCC voltage on the nrf52833 on power-up and wait till it slowly ramps up to 3V. Is there a way to do this using the Power-Fail Comparator. I found another example how to enable the POF, but this will give me an event when the VCC</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Fri, 13 Dec 2024 14:04:35 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/116663/using-pof-power-fail-comparator-on-startup" /><item><title>RE: Using POF (Power-fail comparator) on startup</title><link>https://devzone.nordicsemi.com/thread/514912?ContentTypeID=1</link><pubDate>Fri, 13 Dec 2024 14:04:35 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:d8ec360e-9c17-4d85-a0f2-0036b09d06c7</guid><dc:creator>eb12345</dc:creator><description>&lt;p&gt;I did, and it works well. Not the most elegant solution, but it works. Thank you.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Using POF (Power-fail comparator) on startup</title><link>https://devzone.nordicsemi.com/thread/511835?ContentTypeID=1</link><pubDate>Mon, 25 Nov 2024 08:49:57 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:29740e28-6912-4193-9167-8a510df15575</guid><dc:creator>Kenneth</dc:creator><description>&lt;p&gt;Hello,&lt;/p&gt;
&lt;p&gt;The easiest may just be to make a thread that read the supply voltage using SAADC at given intervals? And then when it&amp;#39;s above (or close to 3V) you continue to run your code? As you experience, POF is usually intended for the opposite yes.&lt;/p&gt;
&lt;p&gt;Kenneth&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>