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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/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>want to switch pll at different frequency</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/41362/want-to-switch-pll-at-different-frequency</link><description> 
Hello, 
want to switch PLL at differernt frequency and want to know the
feedback mechanism whether its lock or not using below code for fix
mdec and pdec value . 

 
} 
void setting_MDEC_PDEC(int mdec, int pdec) 
{ LPC_SYSCON-&amp;gt;SYSPLLMDEC = mdec; //</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: want to switch pll at different frequency</title><link>https://community.arm.com/thread/64974?ContentTypeID=1</link><pubDate>Mon, 05 Sep 2016 05:36:42 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:1e8722d8-7f84-48be-b5ef-c757a42f6618</guid><dc:creator>Westonsupermare Pier</dc:creator><description>&lt;p&gt;&lt;p&gt;
Please try reading the posting instructions for placing source
code in-line, a wall of text will be ignored. &lt;a href="http://www.keil.com/forum/tips.asp"&gt;http://www.keil.com/forum/tips.asp&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
Please read the Reference Manual for the part you are using, the
PLL is not part of the ARM core, and not generic in its
implementation. Specifically state the part being used so others know
what documentation you should be familiar with.&lt;/p&gt;
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