<?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>MCB214HOW TO RE-ENABLE JTAG ON LPC21XX DEVICES</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/24858/mcb214how-to-re-enable-jtag-on-lpc21xx-devices</link><description> 
 MCB2140: HOW TO RE-ENABLE JTAG ON LPC21XX DEVICES 

 
I used following low-level flash erase procedure to re-enables
JTAG for the MCB2140 evaluation board. 

 
1. Unplug power from the board. 2. Make sure jumpers J7, J9 and
J10 are removed and jumper</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: MCB214HOW TO RE-ENABLE JTAG ON LPC21XX DEVICES</title><link>https://community.arm.com/thread/77198?ContentTypeID=1</link><pubDate>Thu, 26 Feb 2009 21:52:55 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:2bea7f5e-167e-41dd-8bc8-bc1aa8353fb4</guid><dc:creator>Vasu Tiwa</dc:creator><description>&lt;p&gt;&lt;p&gt;
Thank you very much. The end sector was 14. Anyways it is working
now. Thanks once again&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: MCB214HOW TO RE-ENABLE JTAG ON LPC21XX DEVICES</title><link>https://community.arm.com/thread/55508?ContentTypeID=1</link><pubDate>Thu, 26 Feb 2009 07:08:04 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:3eb593b2-035c-417f-88a1-8cc9136b01e5</guid><dc:creator>Robert &amp;#160;</dc:creator><description>&lt;p&gt;&lt;p&gt;
Error 7: Sector Number is invalid&lt;/p&gt;

&lt;p&gt;
Your are trying to erase/program sectors 0..26 which should work
on LPC2148 (512kB Flash) . But it will fail on devices with smaller
Flash like LPC2146/44/42/41.&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>