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

4.1.4 Data Exchange

Data exchange is the only DSSM command that does not require a reset to process the command. If the scenario (e.g factory reset, mass erase, or password authentication) requires a password. After sending the command to the mailbox and performing a reset, the user must begin sending the password to the TXDATA register. After each word 0x00EEh must be written to the TXCTL register.