LPC MicrocontrollersのトピックRe: LPCXpresso JTAG error on LPC2212 https://community.nxp.com/t5/LPC-Microcontrollers/LPCXpresso-JTAG-error-on-LPC2212/m-p/546762#M13326 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by lpcxpresso-support on Fri Nov 22 06:51:31 MST 2013</STRONG><BR /><SPAN>This error is normally caused by either:</SPAN><BR /><SPAN>- your JTAG is not wired up correctly (most likely)</SPAN><BR /><SPAN>- the MCU has got into a non debuggable state.</SPAN><BR /><BR /><SPAN>These FAQs may help you:</SPAN><BR /><SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Ffaq%2Flpcxpresso%2Fdebug-design" rel="nofollow" target="_blank">http://www.lpcware.com/content/faq/lpcxpresso/debug-design</A></SPAN><BR /><SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Ffaq%2Flpcxpresso%2Fregaining-debug-access" rel="nofollow" target="_blank">http://www.lpcware.com/content/faq/lpcxpresso/regaining-debug-access</A></SPAN></BODY></HTML> Wed, 15 Jun 2016 19:49:45 GMT lpcware 2016-06-15T19:49:45Z LPCXpresso JTAG error on LPC2212 https://community.nxp.com/t5/LPC-Microcontrollers/LPCXpresso-JTAG-error-on-LPC2212/m-p/546761#M13325 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by leojose on Fri Nov 22 06:07:29 MST 2013</STRONG><BR /><SPAN>I am trying to debug an LPC2212 board using LPCLink, but I get a JTAG error complaining that it is unable to find 'IR Length' . I have attached a snapshot of the error.</SPAN><BR /><BR /><SPAN>Meanwhile, I have successfully managed to debug an LPC2478 &amp; LPC2148 board using LPCLink where it was able to detect the JTAG chain as shown in the attachment. </SPAN><BR /><BR /><SPAN>Can somebody help me decode the meaning of this error and how to go about fixing it?</SPAN></BODY></HTML> Wed, 15 Jun 2016 19:49:44 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPCXpresso-JTAG-error-on-LPC2212/m-p/546761#M13325 lpcware 2016-06-15T19:49:44Z Re: LPCXpresso JTAG error on LPC2212 https://community.nxp.com/t5/LPC-Microcontrollers/LPCXpresso-JTAG-error-on-LPC2212/m-p/546762#M13326 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by lpcxpresso-support on Fri Nov 22 06:51:31 MST 2013</STRONG><BR /><SPAN>This error is normally caused by either:</SPAN><BR /><SPAN>- your JTAG is not wired up correctly (most likely)</SPAN><BR /><SPAN>- the MCU has got into a non debuggable state.</SPAN><BR /><BR /><SPAN>These FAQs may help you:</SPAN><BR /><SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Ffaq%2Flpcxpresso%2Fdebug-design" rel="nofollow" target="_blank">http://www.lpcware.com/content/faq/lpcxpresso/debug-design</A></SPAN><BR /><SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Ffaq%2Flpcxpresso%2Fregaining-debug-access" rel="nofollow" target="_blank">http://www.lpcware.com/content/faq/lpcxpresso/regaining-debug-access</A></SPAN></BODY></HTML> Wed, 15 Jun 2016 19:49:45 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPCXpresso-JTAG-error-on-LPC2212/m-p/546762#M13326 lpcware 2016-06-15T19:49:45Z