SLAAEI9A December   2023  – May 2025 MSPM0C1103 , MSPM0C1103-Q1 , MSPM0C1104 , MSPM0C1104-Q1 , 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 , MSPM0H3216 , MSPM0H3216-Q1 , MSPM0L1105 , MSPM0L1106 , MSPM0L1116 , MSPM0L1117 , MSPM0L1227 , MSPM0L1227-Q1 , MSPM0L1228 , MSPM0L1305 , MSPM0L1306 , MSPM0L1345

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1MSPM0 Portfolio Overview
    1. 1.1 Introduction
    2. 1.2 Portfolio Comparison of STM8 MCUs to MSPM0 MCUs
  5. 2Ecosystem And Migration
    1. 2.1 Ecosystem Comparison
      1. 2.1.1 MSPM0 Software Development Kit (MSPM0 SDK)
      2. 2.1.2 IDE Supported By MSPM0
      3. 2.1.3 SysConfig
      4. 2.1.4 Debug Tools
      5. 2.1.5 LaunchPad
    2. 2.2 Migration Process
      1. 2.2.1 Step 1: Choose The Right MSPM0 MCU
      2. 2.2.2 Step 2. Set Up IDE And Quick Introduction of CCS
        1. 2.2.2.1 Set Up IDE
        2. 2.2.2.2 Quick Introduction of CCS
      3. 2.2.3 Step 3. Set Up MSPM0 SDK And Quick Introduction of MSPM0 SDK
        1. 2.2.3.1 Set Up MSPM0 SDK
        2. 2.2.3.2 Quick Introduction of SDK
      4. 2.2.4 Step 4: Software Evaluation
      5. 2.2.5 Step 5. PCB Board Design
      6. 2.2.6 Step 6. Mass Production
    3. 2.3 Example
  6. 3Core Architecture Comparison
    1. 3.1 CPU
    2. 3.2 Embedded Memory Comparison
      1. 3.2.1 Flash and EEPROM Features
      2. 3.2.2 Flash and EEPROM Organization
        1. 3.2.2.1 Flash and EEPROM Regions
        2. 3.2.2.2 NONMAIN Memory of MSPM0
      3. 3.2.3 Embedded SRAM
    3. 3.3 Power UP and Reset Summary and Comparison
    4. 3.4 Clocks Summary and Comparison
      1. 3.4.1 Oscillators
      2. 3.4.2 Clock Signal Comparison
    5. 3.5 MSPM0 Operating Modes Summary and Comparison
      1. 3.5.1 Operating Modes Comparison
      2. 3.5.2 MSPM0 Capabilities in Lower Modes
      3. 3.5.3 Entering Lower-Power Modes
      4. 3.5.4 Low-Power Mode Code Examples
    6. 3.6 Interrupts and Events Comparison
      1. 3.6.1 Interrupts and Exceptions
        1. 3.6.1.1 Interrupt Management of MSPM0
        2. 3.6.1.2 Interrupt Controller (ITC) of STM8
      2. 3.6.2 Event Handler of MSPM0
      3. 3.6.3 Event Management Comparison
    7. 3.7 Debug and Programming Comparison
      1. 3.7.1 Debug Mode Comparison
      2. 3.7.2 Programming Mode Comparison
        1. 3.7.2.1 Bootstrap Loader (BSL) Programming Options
  7. 4Digital Peripheral Comparison
    1. 4.1 General-Purpose I/O (GPIO, IOMUX)
    2. 4.2 Universal Asynchronous Receiver-Transmitter (UART)
    3. 4.3 Serial Peripheral Interface (SPI)
    4. 4.4 Interintegrated Circuit Interface (I2C)
    5. 4.5 Timers (TIMGx, TIMAx)
    6. 4.6 Windowed Watchdog Timer (WWDT)
  8. 5Analog Peripheral Comparison
    1. 5.1 Analog-to-Digital Converter (ADC)
    2. 5.2 Comparator (COMP)
    3. 5.3 Voltage References (VREF)
  9. 6Summary
  10. 7References
  11. 8Revision History

3.1 CPU

The MSPM0 family is based on the ARM Cortex M0+ CPU core architecture. The STM8 family is based on the STM8 CPU core architecture. Table 3-1 gives an overview of the general features of the CPU in the MSPM0 family compared to the STM8.

Table 3-1 Comparison of CPU Feature Sets
Features STM8L and STM8S MSPM0C, MSPM0L and MSPM0H
Architecture Enhanced STM8 CPU core Arm Cortex M0+
Data bus width 8-bit 32-bit
Instruction set Complex Instruction Set Reduced Instruction Set
Number of instructions 80 56
Multiplication instruction MUL (8 by 8) MULS (32 by 32)
Division instruction DIV (16 by 8), DIVW (16 by 16) MATHACL supports 32-bit division(1)
Pipeline 3-stage 2-stage
Operating Freq (Max) 16MHz or 24MHz(2) 24MHz or 32MHz(3)
DMA Yes Yes
Coremark/MHz unavailable(4) 2.39(5)
(1) MSPM0Gxx Series have math accelerator (MATHACL) which can improve the speed of 32-bit division.
(2) The max operating frequency of STM8Lxx is 16MHz and the max operating frequency of STM8Sxx is 24MHz.
(3) The max operating frequency of MSPM0Cxx is 24MHz and the max operating frequency of MSPM0Lxx is 32MHz.
(4) The coremark of STM8 is unavailable on st.com and eembc.com.
(5) The coremark score is obtained through the Arm Cortex-m0+ Processor Data sheet given by ARM official website.