Ajit, [quote userid="600579" url="~/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1457863/am2634-is-it-possible-to-download-code-into-am2634-by-using-jtag-14pin-connector-provided-on-docking-station/5596398#5596398"]We are going to make more PCBs with AM2634. So, is it better to have JTAG onboard with own serial no or external JTAG probe?[/quote] For out of box convenience the LP-AM263, LP-AM263P, TMDSCNCD263, and TMDSCNCD263P EVM designs implement an onboard XDS110 emulator with JTAG and auxiliary UART-USB bridge is implemented with a TI TM4C MCU and high-voltage isolation. However, for actual custom systems, a simpler JTAG/Trace debug header should be implemented. This allows for external JTAG and Trace pods to be attached to the system as needed during development. The header can then be removed entirely or depopulated for full production of the system to save cost. It is up to you, but in order to save board area and cost, I would suggest an external JTAG probe. [quote userid="600579" url="~/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1457863/am2634-is-it-possible-to-download-code-into-am2634-by-using-jtag-14pin-connector-provided-on-docking-station/5596859#5596859"] I can download the code for Core0 but when I try to download for core1, core2, core3 then its thowing below error. [/quote] Were you able to successfully build the example for core1? Regards, Brennan
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