topic LPC4357 is not entering Boundary Scan TEST mode in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/LPC4357-is-not-entering-Boundary-Scan-TEST-mode/m-p/560408#M16081 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by teknik_kim on Wed Feb 05 08:21:31 MST 2014</STRONG><BR /><SPAN>Hello</SPAN><BR /><BR /><SPAN>I am trying to utilize the LPC4357's boundary scan TEST interface using the JTAG port of the processor, but the device doesn't seem to enter BS test mode(?)</SPAN><BR /><BR /><SPAN>I have pulled DBGEN low and connected the JTAG interface, including the /TRST pin.</SPAN><BR /><BR /><SPAN>Note: I can read the manufacturer ID correctly.</SPAN><BR /><BR /><SPAN>The interconnection test does not work, the LPC4357 does not change values on its pins during BS no matter what I try.</SPAN><BR /><BR /><SPAN>I have three BS devices on the PCB, each device is on a separate chain. They have been switched with no change in the result.</SPAN><BR /><BR /><SPAN>My BSDL file is a bit old - 2012-11-15. Is there a newer file? I could not locate other BSDL files on the NXP website.</SPAN><BR /><BR /><SPAN>Ideas are greatly appreciated!</SPAN><BR /><BR /><SPAN>-Kim</SPAN></BODY></HTML> Wed, 15 Jun 2016 18:44:44 GMT lpcware 2016-06-15T18:44:44Z LPC4357 is not entering Boundary Scan TEST mode https://community.nxp.com/t5/LPC-Microcontrollers/LPC4357-is-not-entering-Boundary-Scan-TEST-mode/m-p/560408#M16081 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by teknik_kim on Wed Feb 05 08:21:31 MST 2014</STRONG><BR /><SPAN>Hello</SPAN><BR /><BR /><SPAN>I am trying to utilize the LPC4357's boundary scan TEST interface using the JTAG port of the processor, but the device doesn't seem to enter BS test mode(?)</SPAN><BR /><BR /><SPAN>I have pulled DBGEN low and connected the JTAG interface, including the /TRST pin.</SPAN><BR /><BR /><SPAN>Note: I can read the manufacturer ID correctly.</SPAN><BR /><BR /><SPAN>The interconnection test does not work, the LPC4357 does not change values on its pins during BS no matter what I try.</SPAN><BR /><BR /><SPAN>I have three BS devices on the PCB, each device is on a separate chain. They have been switched with no change in the result.</SPAN><BR /><BR /><SPAN>My BSDL file is a bit old - 2012-11-15. Is there a newer file? I could not locate other BSDL files on the NXP website.</SPAN><BR /><BR /><SPAN>Ideas are greatly appreciated!</SPAN><BR /><BR /><SPAN>-Kim</SPAN></BODY></HTML> Wed, 15 Jun 2016 18:44:44 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC4357-is-not-entering-Boundary-Scan-TEST-mode/m-p/560408#M16081 lpcware 2016-06-15T18:44:44Z