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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>IC rev vs compatibility table vs SD vs SDK</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/15626/ic-rev-vs-compatibility-table-vs-sd-vs-sdk</link><description>Hi, 
 I&amp;#39;m complete nordic newbie and asking you for some help.
I have 2x 81522 ICs, one is QFAAC0 and the other one is QFAAH1, both QFN48 packaged. 
 (1) looking at infocenter.nordicsemi.com/.../nRF51822_ic_revision_overview.html 
=&amp;gt; I wonder what</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Tue, 09 Aug 2016 08:17:28 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/15626/ic-rev-vs-compatibility-table-vs-sd-vs-sdk" /><item><title>RE: IC rev vs compatibility table vs SD vs SDK</title><link>https://devzone.nordicsemi.com/thread/59644?ContentTypeID=1</link><pubDate>Tue, 09 Aug 2016 08:17:28 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:027a587e-2ec5-4c7e-946d-ffacba3e879f</guid><dc:creator>jeremie</dc:creator><description>&lt;p&gt;ah ok! now I understand. the 0 is not mandatory. my confusion comes from that &amp;quot;Hx0&amp;quot; reads as a 1-letter + 2-digit (with 0 as the fixed second) e.g. H30, whereas Hx means 1-letter + 1 digit e.g. H2.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: IC rev vs compatibility table vs SD vs SDK</title><link>https://devzone.nordicsemi.com/thread/59642?ContentTypeID=1</link><pubDate>Tue, 09 Aug 2016 07:15:44 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:cd3ae9e6-f08c-42c3-b2f6-37f818da6b40</guid><dc:creator>&amp;#216;yvind Karlsen</dc:creator><description>&lt;p&gt;As the annotation says &amp;quot;3) The x in the build code is 0..9 for production release.&amp;quot;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: IC rev vs compatibility table vs SD vs SDK</title><link>https://devzone.nordicsemi.com/thread/59643?ContentTypeID=1</link><pubDate>Tue, 09 Aug 2016 07:08:37 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:df4bebc4-9a3d-4a2f-9360-460cae40a33c</guid><dc:creator>jeremie</dc:creator><description>&lt;p&gt;thx Øyvind. I was (and still am) confused about the doc referring to Hx0 and not Hx (where x=0..9). typo?&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: IC rev vs compatibility table vs SD vs SDK</title><link>https://devzone.nordicsemi.com/thread/59641?ContentTypeID=1</link><pubDate>Tue, 09 Aug 2016 06:14:03 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:9cf9af3c-fd04-40db-86e1-887faf3ae0de</guid><dc:creator>&amp;#216;yvind Karlsen</dc:creator><description>&lt;p&gt;Hi,&lt;/p&gt;
&lt;p&gt;QFAAC0 is a rev 1 chip, QFAAH1 is a rev 3 chip. To save yourself a lot of headache I recommend that you use the rev 3 chip, and the latest SDK and SoftDevice. SDK 11 and SoftDevice S132.&lt;/p&gt;
&lt;p&gt;Best regards,&lt;/p&gt;
&lt;p&gt;Øyvind&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>