LPCXpresso IDEのトピックImproving SWD programming noise tolerance https://community.nxp.com/t5/LPCXpresso-IDE/Improving-SWD-programming-noise-tolerance/m-p/556090#M13971 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by maxlobovsky on Tue Jun 29 11:23:23 MST 2010</STRONG><BR /><SPAN>I am working on a project with a custom board I developed carrying an LPC1313.&nbsp; Due to space constraints, I am programming it over only SWDIO and SWCLK with ground being routed separately and needing to be at least ~1ft long.&nbsp; Unless I connect a short ground line from the LPC-LINK to the PCB, I get a variety of errors during program that I attribute to communication errors.&nbsp; Though there are probably ways I could redesign the PCB to deal with this, I am looking for solutions for the current system.&nbsp; One potential option is to reduce the bitrate that SWD runs at.&nbsp; Is there a way to configure this?</SPAN></BODY></HTML> Wed, 15 Jun 2016 22:11:37 GMT lpcware 2016-06-15T22:11:37Z Improving SWD programming noise tolerance https://community.nxp.com/t5/LPCXpresso-IDE/Improving-SWD-programming-noise-tolerance/m-p/556090#M13971 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by maxlobovsky on Tue Jun 29 11:23:23 MST 2010</STRONG><BR /><SPAN>I am working on a project with a custom board I developed carrying an LPC1313.&nbsp; Due to space constraints, I am programming it over only SWDIO and SWCLK with ground being routed separately and needing to be at least ~1ft long.&nbsp; Unless I connect a short ground line from the LPC-LINK to the PCB, I get a variety of errors during program that I attribute to communication errors.&nbsp; Though there are probably ways I could redesign the PCB to deal with this, I am looking for solutions for the current system.&nbsp; One potential option is to reduce the bitrate that SWD runs at.&nbsp; Is there a way to configure this?</SPAN></BODY></HTML> Wed, 15 Jun 2016 22:11:37 GMT https://community.nxp.com/t5/LPCXpresso-IDE/Improving-SWD-programming-noise-tolerance/m-p/556090#M13971 lpcware 2016-06-15T22:11:37Z Re: Improving SWD programming noise tolerance https://community.nxp.com/t5/LPCXpresso-IDE/Improving-SWD-programming-noise-tolerance/m-p/556091#M13972 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by maxlobovsky on Thu Jul 01 10:16:31 MST 2010</STRONG><BR /><SPAN>More generally, does anyone know of any SWD programming tools that allow me to configure the speed that they run at?</SPAN></BODY></HTML> Wed, 15 Jun 2016 22:11:38 GMT https://community.nxp.com/t5/LPCXpresso-IDE/Improving-SWD-programming-noise-tolerance/m-p/556091#M13972 lpcware 2016-06-15T22:11:38Z