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	<title>Objective Development Forums</title>
	
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	<updated>2010-03-24T08:01:38+02:00</updated>

	<author><name><![CDATA[Objective Development Forums]]></name></author>
	<id>https://forums.obdev.at/app.php/feed/topic/4043</id>

		<entry>
		<author><name><![CDATA[BarsMonster]]></name></author>
		<updated>2010-03-24T08:01:38+02:00</updated>

		<published>2010-03-24T08:01:38+02:00</published>
		<id>https://forums.obdev.at/viewtopic.php?t=4043&amp;p=13834#p13834</id>
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		<title type="html"><![CDATA[Crystal-less RC calibration error tolerance]]></title>

		
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Hi there, I just managed to run my first V-USB project on Mega48 without crystal, and did small investigation on working OSCCAL range:<br />Autodetected OSCCAL is 0xF1-0xF2 for both 3.3 and 5v power supply.<br />Device still works in 0xEF-0xF6 range, so it is not as fragile as I've thought.<p>Statistics: Posted by <a href="https://forums.obdev.at/memberlist.php?mode=viewprofile&amp;u=3607">BarsMonster</a> — Wed Mar 24, 2010 8:01 am</p><hr />
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