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Hi,
I recently purchased an XDS110 Debug Probe (TMDSEMU110-U) to program/debug our custom board, which features an MSPM0L1306 MCU. It is equipped with a standard ARM-Cortex Debug Connector (10-pin), as shown in the image below:
To interface with this, I used the CM10 Pin Adaptor that came with the debugger to program the MCU on our board. However, it didn't work, and upon investigation, I discovered that pin 1 of the adaptor is NOT actually supplying power to the board. (I also found that the pin is called 'VTREF', not 'VCC'.)
Do you always have to power the MCU separately before programming/debugging it with the XDS110 Debug Probe?
Is there any way I can make the XDS Debug Probe supply power to the board so it can program/debug the MCU without an external power source?
Thank you,
Kyungjae Lee
Hello Kyungjae,
The XDS-110 programmer provides power only through its AUX Connector. It's probably more typical to have the target PCB provide power to the MSPM0, in which case you only need the debugger connections. If you have to provide power separately, then you will need to use the XDS110 AUX connection in addition to the debug connector.
Here is description from the XDS110 user guide:
