topic TRST - Pullup, pulldown or floating ? [ Custom PCB] in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/TRST-Pullup-pulldown-or-floating-Custom-PCB/m-p/531459#M10204 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by fnp-intellegre on Thu Nov 06 11:02:07 MST 2014</STRONG><BR /><SPAN>Using the LPC1833 TFBGA 100 Pin package I have the 6pin Tag Connect TC-2030 Cortex SWD debug connector connected to the part. </SPAN><BR /><SPAN>Does TRST need to be pulled up even though it is not being used ?</SPAN></BODY></HTML> Wed, 15 Jun 2016 18:19:45 GMT lpcware 2016-06-15T18:19:45Z TRST - Pullup, pulldown or floating ? [ Custom PCB] https://community.nxp.com/t5/LPC-Microcontrollers/TRST-Pullup-pulldown-or-floating-Custom-PCB/m-p/531459#M10204 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by fnp-intellegre on Thu Nov 06 11:02:07 MST 2014</STRONG><BR /><SPAN>Using the LPC1833 TFBGA 100 Pin package I have the 6pin Tag Connect TC-2030 Cortex SWD debug connector connected to the part. </SPAN><BR /><SPAN>Does TRST need to be pulled up even though it is not being used ?</SPAN></BODY></HTML> Wed, 15 Jun 2016 18:19:45 GMT https://community.nxp.com/t5/LPC-Microcontrollers/TRST-Pullup-pulldown-or-floating-Custom-PCB/m-p/531459#M10204 lpcware 2016-06-15T18:19:45Z Re: TRST - Pullup, pulldown or floating ? [ Custom PCB] https://community.nxp.com/t5/LPC-Microcontrollers/TRST-Pullup-pulldown-or-floating-Custom-PCB/m-p/531460#M10205 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by NXP_Paul on Thu Nov 06 12:34:35 MST 2014</STRONG><BR /><SPAN>The TRST pin has an internal pull-up, so an external pull-up is not required.</SPAN><BR /><BR /><SPAN>Paul</SPAN></BODY></HTML> Wed, 15 Jun 2016 18:19:46 GMT https://community.nxp.com/t5/LPC-Microcontrollers/TRST-Pullup-pulldown-or-floating-Custom-PCB/m-p/531460#M10205 lpcware 2016-06-15T18:19:46Z