<?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/"><channel><title>Difference between nRF52840 Engineering A and B reference designs</title><link>/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><description>After the release of nRF52840 Engineering B we have received several inquiries about the difference between Engineering A (nRF52840-QIAAAA) and Engineering B (nRF52840-QIAABB) reference designs. One reason for the inquiries is that after swapping Eng</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><item><title>RE: Difference between nRF52840 Engineering A and B reference designs</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><pubDate>Sat, 14 Dec 2024 17:51:50 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8d513b6d-0d28-4880-b970-c6f5acdc23cf</guid><dc:creator>Namekao</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;good post&lt;/p&gt;
&lt;div style="clear:both;"&gt;&lt;/div&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=1154&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Difference between nRF52840 Engineering A and B reference designs</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><pubDate>Fri, 19 Apr 2024 14:06:47 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8d513b6d-0d28-4880-b970-c6f5acdc23cf</guid><dc:creator>anna2024</dc:creator><slash:comments>0</slash:comments><description>&lt;div class="flex flex-grow flex-col max-w-full"&gt;
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&lt;/div&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=1154&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Difference between nRF52840 Engineering A and B reference designs</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><pubDate>Sun, 04 Feb 2024 18:40:21 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8d513b6d-0d28-4880-b970-c6f5acdc23cf</guid><dc:creator>milashamasha</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;I had to write an essay on the development of modern psychology. I don&amp;#39;t understand what psychology is at all and it was very difficult for me to write this essay. I found a service and said &lt;a href="https://greatpaper.co.uk/write-my-essay"&gt;write my essay for me&lt;/a&gt; as soon as possible. I thought it was too complicated topic but there are smart professionals working there. They understand all topics and will write the essay qualitatively and quickly. Very satisfied with their work and thank them very much&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=1154&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Difference between nRF52840 Engineering A and B reference designs</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><pubDate>Wed, 29 Nov 2023 09:56:41 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8d513b6d-0d28-4880-b970-c6f5acdc23cf</guid><dc:creator>herrat</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;&lt;span data-sheets-root="1"&gt;Efficient storage is key in any food service operation. That&amp;#39;s why the half-size aluminum foil pan lids I discovered at &lt;a href="https://mcdonaldpaper.com/safepro-2049-half-size-aluminum-foil-pan-lid-100-cs" rel="noopener noreferrer" target="_blank"&gt;https://mcdonaldpaper.com/safepro-2049-half-size-aluminum-foil-pan-lid-100-cs&lt;/a&gt; have become invaluable in my kitchen. They&amp;#39;re durable, provide a secure fit, and are great for both storing and transporting food, ensuring everything stays fresh and intact.&lt;/span&gt;&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=1154&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Difference between nRF52840 Engineering A and B reference designs</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><pubDate>Thu, 08 Mar 2018 18:54:36 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8d513b6d-0d28-4880-b970-c6f5acdc23cf</guid><dc:creator>David McIntosh</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;What is the purpose of NC (no connect) bypass capacitors? Is it a backup option in case there is not enough margin in running RF-PHY tests? Are these likely to be removed in the future?&lt;/p&gt;&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=1154&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Difference between nRF52840 Engineering A and B reference designs</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><pubDate>Wed, 17 Jan 2018 17:22:33 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8d513b6d-0d28-4880-b970-c6f5acdc23cf</guid><dc:creator>Mike</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;That clarification helps a lot!! It even answers what would have been my next question!&lt;/p&gt;
&lt;p&gt;A &lt;strong&gt;BIG&lt;/strong&gt; thanks!&lt;/p&gt;
&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=1154&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Difference between nRF52840 Engineering A and B reference designs</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><pubDate>Wed, 17 Jan 2018 11:23:52 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8d513b6d-0d28-4880-b970-c6f5acdc23cf</guid><dc:creator>MartinBL</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Good question. I made some changes in the blog that I hope clarifies this.&lt;/p&gt;
&lt;img src="https://devzone.nordicsemi.com/aggbug?PostID=1154&amp;AppID=4&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Difference between nRF52840 Engineering A and B reference designs</title><link>https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/difference-between-nrf52840-engineering-a-and-b-re</link><pubDate>Mon, 15 Jan 2018 15:45:52 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8d513b6d-0d28-4880-b970-c6f5acdc23cf</guid><dc:creator>Mike</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;In Engineering A, E24 is labeled DEC2, implying it&amp;#39;s internally connected to A18 (DEC2), not B5 (DEC4) as mentioned in this note. In Engineering B, you now want E24 to be connected externally to B5, which seems to be a change in connectivity not just a reestablishment of the previously internal connection. So are you sure you want DEC6 (E24) connected to DEC4(B5) instead of it being connected DEC2(A18)?&lt;/p&gt;
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