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<?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>Problems with CC2538 debug connection and Ulink Pro</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/36417/problems-with-cc2538-debug-connection-and-ulink-pro</link><description> 
I am using Ulink Pro to debug an cc2538 custom board. The debug
connection is implemented through an 6 pin Tag-Connect header. The
signals are connected according the data sheet of the CC2538 and
ULink Pro. Here are the connections: 

 
CC2538 ---&amp;gt;</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: Problems with CC2538 debug connection and Ulink Pro</title><link>https://community.arm.com/thread/109590?ContentTypeID=1</link><pubDate>Thu, 25 Oct 2018 02:14:16 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:43356855-1d20-4614-8da8-90d54732537d</guid><dc:creator>Andy Neil</dc:creator><description>&lt;p&gt;&lt;p&gt;
You would have to ask TI that - but it seems unlikely (unless the
&amp;quot;vendor&amp;quot; in question is programming the chips for you).&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Problems with CC2538 debug connection and Ulink Pro</title><link>https://community.arm.com/thread/83892?ContentTypeID=1</link><pubDate>Wed, 24 Oct 2018 22:44:50 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:7389269b-8867-4116-a54b-6b58a2437936</guid><dc:creator>Frank D.</dc:creator><description>&lt;p&gt;&lt;p&gt;
Hi Ron,&lt;/p&gt;

&lt;p&gt;
thank you for your reply! The reset is working, I have verified
this with a scope.&lt;/p&gt;

&lt;p&gt;
I don&amp;#39;t know about the secure lock state, the chip is as received
from the vendor and soldered to our board. Does TI send out these
chip&amp;#39;s in the secure lock state?&lt;/p&gt;

&lt;p&gt;
Let me try the other proposals you made in your reply, maybe the
app note helps me to find the problem.&lt;/p&gt;

&lt;p&gt;
Thank you - Frank&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Problems with CC2538 debug connection and Ulink Pro</title><link>https://community.arm.com/thread/70948?ContentTypeID=1</link><pubDate>Wed, 24 Oct 2018 08:51:27 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:7c80fd9e-5a94-4515-a0cd-95977e558c6d</guid><dc:creator>Kevin</dc:creator><description>&lt;p&gt;&lt;p&gt;
Hello Frank,&lt;/p&gt;

&lt;p&gt;
Is it possible the device is secure locked?&lt;/p&gt;

&lt;p&gt;

&lt;a href="https://e2e.ti.com/support/wireless-connectivity/zigbee-and-thread/f/158/t/647745?CC2538-Disabling-Debug-Lock-using-J-Link-J-Flash"&gt;e2e.ti.com/.../647745&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
Can you verify if the reset pin is being pulled down successfully
on the board?&lt;/p&gt;

&lt;p&gt;

&lt;a href="http://e2e.ti.com/support/wireless-connectivity/other-wireless/f/667/p/324205/1131584"&gt;e2e.ti.com/.../1131584&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
I see you cross-posted at&lt;br /&gt;

&lt;a href="http://e2e.ti.com/support/wireless-connectivity/zigbee-and-thread/f/158/t/739146?CC2538-Debug-problem-using-ULink-Pro-"&gt;e2e.ti.com/.../739146&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
====&lt;/p&gt;

&lt;p&gt;
I know it is not your exact device, but there is an app note for
using Keil with another TI Smartlink device, the MSP432:&lt;/p&gt;

&lt;p&gt;
&lt;a href="http://www.keil.com/appnotes/docs/apnt_309.asp"&gt;http://www.keil.com/appnotes/docs/apnt_309.asp&lt;/a&gt;&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>