topic frdm-kl25z emulator connection fails when using swd in Kinetis Microcontrollers

frdm-kl25z emulator connection fails when using swd

tuomasaaltio — Mon, 27 Feb 2017 14:17:10 GMT

I'm unable to get emulator to connect to the frdm-kl25z. I'm using j-link emulator. I have cut the trace on J11 as instructed. The debugging via openSDA works ok. When I try to connect with Segger J-Flash (target->connect) it says "failed to connect". Similar thing happend when I try start debugging in IAR.

Re: frdm-kl25z emulator connection fails when using swd

BlackNight — Mon, 27 Feb 2017 15:49:35 GMT

Hello,

why did you cut J11? This is only needed if you want to use the FRDM board to debug *another* board, see Using the Freedom Board as SWD Programmer | MCU on Eclipse .

To debug the KL25Z on the FRDM-KL25Z using the SWD connector, all what you ahve to do is to add that connector, nothing else.

I hope this helps,

Erich