Can't progrm or debug anymore SWD

[xirxe]

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.

[soledad]

Hi,

Please check the below link:

ISP Reset over debug 

Have a great day,
Sol

-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

[vojtechhavlicek]

Try to get into the ISP programming mode via pin 12 It should work (I think).