<?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>at89c51 and at89s52</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/40202/at89c51-and-at89s52</link><description> 
what is the difference between at89c51 and at89s52.. 
 </description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: at89c51 and at89s52</title><link>https://community.arm.com/thread/61901?ContentTypeID=1</link><pubDate>Fri, 03 May 2013 07:44:35 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:082c134a-bee5-4da7-a761-3ea1a830abfc</guid><dc:creator>&amp;#178;erik malund</dc:creator><description>&lt;p&gt;&lt;p&gt;
&lt;i&gt;what is the difference between at89c51 and at89s52..&lt;/i&gt;&lt;br /&gt;
whatever you see different in the datasheet.&lt;/p&gt;

&lt;p&gt;
anyhow if these two adhere to the old, and mainly forgotten,
standard the &amp;#39;51 will only have 128 bytes of DATA and no T2.&lt;/p&gt;

&lt;p&gt;
Erik&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>