SLAU887A February   2023  – November 2025 MSPM0C1105 , MSPM0C1106 , MSPM0G1105 , MSPM0G1106 , MSPM0G1107 , MSPM0G1505 , MSPM0G1506 , MSPM0G1507 , MSPM0G1518 , MSPM0G1519 , MSPM0G3105 , MSPM0G3105-Q1 , MSPM0G3106 , MSPM0G3106-Q1 , MSPM0G3107 , MSPM0G3107-Q1 , MSPM0G3505 , MSPM0G3505-Q1 , MSPM0G3506 , MSPM0G3506-Q1 , MSPM0G3507 , MSPM0G3507-Q1 , MSPM0G3518 , MSPM0G3518-Q1 , MSPM0G3519 , MSPM0G3519-Q1 , MSPM0L1105 , MSPM0L1106 , MSPM0L1227 , MSPM0L1227-Q1 , MSPM0L1228 , MSPM0L1228-Q1 , MSPM0L1303 , MSPM0L1304 , MSPM0L1304-Q1 , MSPM0L1305 , MSPM0L1305-Q1 , MSPM0L1306 , MSPM0L1306-Q1 , MSPM0L1343 , MSPM0L1344 , MSPM0L1345 , MSPM0L1346 , MSPM0L2227 , MSPM0L2227-Q1 , MSPM0L2228 , MSPM0L2228-Q1

1.   1
2.   Abstract
3.   Trademarks
4. 1Introduction
   1. 1.1 Overview of BSL Features
   2. 1.2 Terminology
   3. 1.3 Additional resources
5. 2BSL Options
6. 3BSL Architecture
   1. 3.1 Design
      1. 3.1.1 Timeout Feature
         1. 3.1.1.1 Interface Autodetection
         2. 3.1.1.2 Command Reception
   2. 3.2 BSL Invocation
      1. 3.2.1 Blank Device
      2. 3.2.2 Application Request
      3. 3.2.3 GPIO Based Invocation
      4. 3.2.4 Debug Mailbox Command
      5. 3.2.5 Pre-Boot Application Verification
   3. 3.3 Memory
      1. 3.3.1 SRAM Memory Usage
   4. 3.4 BSL Configuration
   5. 3.5 BSL Status
7. 4Bootloader Protocol
   1. 4.1 Packet Format
   2. 4.2 UART and I2C BSL Protocol
      1. 4.2.1 BSL Acknowledgment
      2. 4.2.2 Peripheral Configuration
         1. 4.2.2.1 UART
         2. 4.2.2.2 I2C
         3. 4.2.2.3 CRC
   3. 4.3 Bootloader Core Commands
      1. 4.3.1  Connection
      2. 4.3.2  Get Device Info
      3. 4.3.3  Unlock Bootloader
      4. 4.3.4  Program Data
      5. 4.3.5  Program Data Fast
      6. 4.3.6  Readback Data
      7. 4.3.7  Flash Range Erase
      8. 4.3.8  Mass Erase
      9. 4.3.9  Factory Reset
      10. 4.3.10 Standalone Verification
      11. 4.3.11 Start Application
      12. 4.3.12 Change Baud Rate
   4. 4.4 Bootloader Core Response
      1. 4.4.1 Bootloader Core Message
      2. 4.4.2 Detailed Error
      3. 4.4.3 Memory Readback
      4. 4.4.4 Device Info
      5. 4.4.5 Standalone Verification
   5. 4.5 Bootloader Security
      1. 4.5.1 Password Protected Commands
         1. 4.5.1.1 Security Alert
      2. 4.5.2 BSL Entry
8. 5Sample Program Flow with Bootloader
9. 6Flash based BSL
   1. 6.1 Secondary BSL / ROM Invoked Flash BSL
      1. 6.1.1 Secondary BSL Example
   2. 6.2 Standalone Flash BSL
      1. 6.2.1 Standalone Flash BSL Example
10. 7Interface Plug-in
    1. 7.1 Implementation
       1. 7.1.1 Init
       2. 7.1.2 Receive
       3. 7.1.3 Transmit
       4. 7.1.4 Deinit
       5. 7.1.5 Important Notes
    2. 7.2 Flash Plug-in Type
    3. 7.3 Overriding an Existing Interface
       1. 7.3.1 UART Interface Flash Plug-in Example
11. 8Revision History

MSPM0 Bootloader