<?xml version="1.0" encoding="UTF-8" ?>
<?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>Reset</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/23678/reset</link><description> 
In one of my projects where I use 89C2051 microcontroller, I
connect one O/P pin to a mechanical counter (through a driver). My
problem is when reset during switch ON, my O/P pin goes high and come
down thus generating a pulse which the counter counts</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: Reset</title><link>https://community.arm.com/thread/55433?ContentTypeID=1</link><pubDate>Mon, 16 Feb 2009 23:44:19 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:c2e0c015-1d6b-4734-a893-ee2ea087d85b</guid><dc:creator>Franc  Urbanc</dc:creator><description>&lt;p&gt;&lt;p&gt;
Put a logic inverter (74HC04) to drive the mechanical counter.
89C2051 generates a pulse for the counter by toggling the port pin
hi-&amp;gt;low-&amp;gt;high. The inactive state is high. If a reset occurs in
the inactive state, the counter would not detect a fake pulse.&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>