SLAAEO5 September   2024 MSPM0C1103 , MSPM0C1103-Q1 , MSPM0C1104 , MSPM0G1105 , MSPM0G1106 , MSPM0G1107 , MSPM0G1505 , MSPM0G1506 , MSPM0G1507 , MSPM0G3105 , MSPM0G3105-Q1 , MSPM0G3106 , MSPM0G3106-Q1 , MSPM0G3107 , MSPM0G3107-Q1 , MSPM0G3505 , MSPM0G3505-Q1 , MSPM0G3506 , MSPM0G3506-Q1 , MSPM0G3507 , MSPM0G3507-Q1 , MSPM0L1105

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction to the Debug Subsystem and MSPM0
    1. 1.1 Access Ports of MSPM0
      1. 1.1.1 Advance High-Performance Bus Access Port
      2. 1.1.2 Configuration Access Port
      3. 1.1.3 Security Access Port
      4. 1.1.4 EnergyTrace Access Port
      5. 1.1.5 Power Access Port
    2. 1.2 Behaviors With the MSPM0 in a Blank/Low-Power State
  5. 2Proper SWD Initialization Sequence
  6. 3PWR-AP
    1. 3.1 Enabling Low-Power Mode Debugging With MSPM0
    2. 3.2 Modifying the Reset Behavior of MSPM0
      1. 3.2.1 Wait for Debug
      2. 3.2.2 Halt on Reset
      3. 3.2.3 INRST Behavior
    3. 3.3 Register View
  7. 4SEC-AP
    1. 4.1 DSSM Commands
      1. 4.1.1 Factory Reset
      2. 4.1.2 Mass Erase
      3. 4.1.3 Password Authentication
      4. 4.1.4 Data Exchange
      5. 4.1.5 Wait for Debug
      6. 4.1.6 Custom DSSM Command
    2. 4.2 DSSM Flow
    3. 4.3 Register View
  8. 5Understanding Flash in MSPM0
    1. 5.1 Protection of Flash Memory Across MSPM0
    2. 5.2 Clearing the STATCMD Register
    3. 5.3 Ideal Programming Flow for MSPM0
  9. 6The Resets of MSPM0
  10. 7Summary
  11. 8References

Abstract

This application note describes the debug subsystem, resets of MSPM0, and the differences in the flashctl between device families. The debug subsystem is an entity that is separate from the M0+ core present in the MSPM0. Through properly utilizing the debug subsystem in the MSPM0, the user can access the M0+ core in a low-power state and recover it in cases of misconfiguration since it is separate from the M0+ core. By acquiring an understanding of the MSPM0's debug subsystem, flashctl, and resets you can achieve an ideal debugging and programming environment with the MSPM0.