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

4.4 Interintegrated Circuit Interface (I2C)

MSPM0 and STM8 both support I2C peripherals. Overall MSPM0 and STM8 I2C support is comparable with notable difference outlined in Table 4-5.

Table 4-5 I2C Feature Comparison
Feature STM8S and STM8L MSPM0L, MSPM0C and MSPM0H
Controller and target modes Yes Yes
Multi-controller capability Yes Yes
Maximum transfer rate 400 kHz(Fast speed) 1Mbps (Fast-mode Plus)
Addressing mode 7 bit or 10 bit 7 bit
Address number (Target mode) 2 addresses 2 addresses
General call Yes Yes
Event management Yes Yes
PEC management Yes Yes
Clock stretching Yes Yes
Wakeup function (low-power mode) Yes Yes
Software reset Yes Yes
FIFO, buffer 1 byte TX: 8 byte
RX: 8 byte
DMA Yes Yes
Programmable analog and digital noise filters Yes Yes

I2C Code Examples: information about I2C code examples can be found in the MSPM0 SDK examples guide.