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Embedded and Microcontrollers
Blog Cheap debugger ($6) for EasyL1105 MSPM0 board
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  • Author Author: Jan Cumps
  • Date Created: 7 Sep 2025 1:27 PM Date Created
  • Views 247 views
  • Likes 7 likes
  • Comments 3 comments
  • xds110
  • MSPM0L1105
  • MSPM0
  • easyL1105
  • texas instruments
  • launchpad
  • ti
Related
Recommended

Cheap debugger ($6) for EasyL1105 MSPM0 board

Jan Cumps
Jan Cumps
7 Sep 2025
Cheap debugger ($6) for EasyL1105 MSPM0 board

 shabaz designed a development kit for the recent Texas Instruments MSPM0 microcontroller series. 
In this post, I show how to use a LaunchPad as debugger for that board. Complexity: low.

image
This post introduces the kit.

 Required hardware and software

  • EasyL1105 kit, with headers soldered to the programmer interface J5
  • an IDE that supports XDS110 debugging. I use ccstudio 20
  • A LaunchPad with XDS110 debugger on board (cheapest: LP-MSPM0C1104, $5.99 from TI store).
  • USB cable to connect LaunchPad to PC
  • 7 patch wires to connect EasyL1105 signals to LaunchPad

I used an MSP432 LaunchPad for this blog. As long as your LaunchPad has XDS110 on board, and it's accessible, it 'll work

Functionality

  • programmer
  • debugger
  • COM port passthrough
  • power

Connections

Remove all jumpers from the EasyL1105. And all (at least the debugger) jumpers of your LaunchPad.

Then connect the two, using patch wires:

image

EasyL1105 LaunchPad
J5.1 GND GND
J5.2 RST RST
J5.3 SWCLK TCK
J5.4 SWDIO TMS
J5.5 3V3 3V3
J3.2 UART0_RXD TXD
J3.4 UART0_TXD RXD

On the cheap LP-MSPM0C1104, here are those signals:

image

On the MSP432 LP that I'm using, it's very similar. The table above will guide you through the setup.

image

Double check, then connect the LaunchPad USB to your PC.

Start debugging in ccstudio

Click on your MSPM01105 project. Then call menu Run -> Debug Project (your project name). If this is your first debug attempt, ccstudio will show a debug configuration screen.

On the Basic tab, select debugger XDS110. The MSPM01105 controller should already be correctly selected.

On the advanced tab, select on the root node of the tree. Take over the settings from the image below:

image

If you haven't used your LaunchPad for ages, ccstudio may upgrade its debugger firmware. After that, you should be in business.

Use UART

To connect to the MSPM0 UART, open a serial console via View -> Console -> Serial Console. Open the COM port representing the *** passthrough (the one named XDS110 Class Application/User UART in your Windows deviice manager).

Most SDK examples use 9600 baud, 8, N 1.

Happy debugging.

CCS project used in this post: uart_rw_multibyte_fifo_poll_gcc_EasyL1105_20250907.zip

Related posts

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  • Jan Cumps
    Jan Cumps 20 hours ago in reply to Jan Cumps

    MSP430 obviously. But I can't edit.

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  • Jan Cumps
    Jan Cumps 23 hours ago in reply to shabaz

    Don't check the MPS430 ones. They aren't ARM and have a TI "FET" debugger. 
    Safe bet is if it says XDS110.

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  • shabaz
    shabaz 1 day ago

    Brilliant. Free debugger : ) I have a few old LaunchPads, will try it out!

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