AnsweredAssumed Answered

Can't progrm or debug anymore SWD

Question asked by Erik Bertram on Aug 14, 2017
Latest reply on Aug 15, 2017 by soledad

I have a board with SWD connecction, which works fine until I add a single line to the source

 

Chip_Clock_SetSystemPLLSource(SYSCTL_PLLCLKSRC_SYSOSC);

 

Now I'm not able to attach the GDB-Server ("CPU not connected") nor with my stand alone programming tool (J-Flash).

I tried it with different reset strategies and I can verify different signals on the reset line, but still the same, it's not possible to connect to the board.

 

Also, it's not a problem of a single board, I tried the same with  two more boards with the same result.

Outcomes