<?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>how to use spi commands for  reading signature bytes</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/36908/how-to-use-spi-commands-for-reading-signature-bytes</link><description> Iam developing an ISP programmer for 89s51 and 89s52.In this project i have to get the signature byte of 89s52 and 89s51 using spi commands.But,Iam facing problem in the way in which i have to use the commands. 
 
0010 1000 xxxA12 A11A10A9A8 A7xxx xxx0</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: how to use spi commands for  reading signature bytes</title><link>https://community.arm.com/thread/73961?ContentTypeID=1</link><pubDate>Tue, 11 Apr 2006 09:59:11 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:3904e61a-f424-466c-bd4d-bbbfc0d162af</guid><dc:creator>Sanal N.K</dc:creator><description>&lt;p&gt;Iam an amature hobbyist i want to make a programmer for my use.I have used Masuba programmer.Just for the hobby sake i want to make it.So,I would be thankfull if anybody can help me.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: how to use spi commands for  reading signature bytes</title><link>https://community.arm.com/thread/45864?ContentTypeID=1</link><pubDate>Tue, 11 Apr 2006 07:31:40 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:0a6be0c7-097e-4f97-a4bb-8b2b55d19fad</guid><dc:creator>erik  malund</dc:creator><description>&lt;p&gt;&lt;i&gt;Iam developing an ISP programmer &lt;/i&gt;&lt;br /&gt;
&lt;br /&gt;
Why??? there are literally thousands of them floating around&lt;br /&gt;
&lt;br /&gt;
Erik&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>