SLAAE56B November   2022  – August 2025 MSPM0G1105 , MSPM0G1106 , MSPM0G1107 , MSPM0G1505 , MSPM0G1506 , MSPM0G1507 , MSPM0G3105 , MSPM0G3106 , MSPM0G3107 , MSPM0G3505 , MSPM0G3506 , MSPM0G3507 , MSPM0H3216 , 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. 1MSPM0 Portfolio Overview
    1. 1.1 Introduction
    2. 1.2 Portfolio Comparison of STM32 MCUs to MSPM0 MCUs
    3. 1.3 Pin to Pin Comparison of STM32 MCUs to MSPM0 MCUs
  5. 2Ecosystem and Migration
    1. 2.1 Software Ecosystem Comparison
      1. 2.1.1 MSPM0 Software Development Kit (MSPM0 SDK)
      2. 2.1.2 CubeIDE vs Code Composer Studio IDE (CCS)
      3. 2.1.3 CubeMX vs SysConfig
    2. 2.2 Hardware Ecosystem
    3. 2.3 Debug Tools
    4. 2.4 Migration Process
    5. 2.5 Migration and Porting Example
  6. 3Core Architecture Comparison
    1. 3.1 CPU
    2. 3.2 Embedded Memory Comparison
      1. 3.2.1 Flash Features
      2. 3.2.2 Flash Organization
      3. 3.2.3 Embedded SRAM
    3. 3.3 Power Up and Reset Summary and Comparison
    4. 3.4 Clocks Summary and Comparison
    5. 3.5 MSPM0 Operating Modes Summary and Comparison
    6. 3.6 Interrupt and Events Comparison
    7. 3.7 Debug and Programming Comparison
  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 I2C
    5. 4.5 Timers (TIMGx, TIMAx)
    6. 4.6 Windowed Watchdog Timer (WWDT)
    7. 4.7 Real-Time Clock (RTC)
  8. 5Analog Peripheral Comparison
    1. 5.1 Analog-to-Digital Converter (ADC)
    2. 5.2 Comparator (COMP)
    3. 5.3 Digital-to-Analog Converter (DAC)
    4. 5.4 Operational Amplifier (OPA)
    5. 5.5 Voltage References (VREF)
  9. 6Summary
  10. 7References
  11. 8Revision History

4.4 I2C

MSPM0 and STM32G0 both support I2C. Overall MSPM0 and STM32G0 I2C support is comparable with notable difference outlined in the following table.

Table 4-6 I2C Feature Comparison
FeatureSTM32G0MSPM0
Controller and target modesYesYes
Multi-controller capabilityYesYes
Standard-mode (up to 100kHz)YesYes
Fast-mode (up to 400kHz)YesYes
Fast-mode Plus (up to 1MHz)YesYes
Addressing mode7, 10 bit7,10 bit
Peripheral addresses2 addresses and 1 configurable mask2 addresses
General callYesYes
Programmable setup and hold timesYesNo
Event managementYesYes
Clock stretchingYesYes
Software resetYesYes
FIFO/Buffer1 byteTX: 8 byte
RX: 8 byte
DMAYesYes
Programmable analog and digital noise filtersYesYes

I2C Code Examples

Information about I2C code examples can be found in the MSPM0 SDK examples guide.