SLVSJB5 November   2025 MSPM0G5187

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Functional Block Diagram
  6. 5 Device Comparison
    1. 5.1 Device Comparison Chart
  7. 6 Pin Configuration and Functions
    1. 6.1 Pin Diagrams
    2. 6.2 Pin Attributes
      1.      11
    3. 6.3 Signal Descriptions
      1.      13
      2.      14
      3.      15
      4.      16
      5.      17
      6.      18
      7.      19
      8.      20
      9.      21
      10.      22
      11.      23
      12.      24
      13.      25
      14.      26
      15.      27
    4. 6.4 Connections for Unused Pins
  8. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Supply Current Characteristics
      1. 7.5.1 RUN/SLEEP Modes
      2. 7.5.2 STOP/STANDBY Modes
      3. 7.5.3 SHUTDOWN Mode
    6. 7.6  Power Supply Sequencing
      1. 7.6.1 Power Supply Ramp
      2. 7.6.2 POR and BOR
    7. 7.7  Flash Memory Characteristics
    8. 7.8  Timing Characteristics
    9. 7.9  Clock Specifications
      1. 7.9.1 System Oscillator (SYSOSC)
      2. 7.9.2 Low Frequency Oscillator (LFOSC)
      3. 7.9.3 System Phase Lock Loop (SYSPLL)
      4. 7.9.4 USB Frequency Lock Loop (USBFLL)
      5. 7.9.5 Low Frequency Crystal/Clock
      6. 7.9.6 High Frequency Crystal/Clock
    10. 7.10 Digital IO
      1. 7.10.1  Electrical Characteristics
      2. 7.10.2 Switching Characteristics
    11. 7.11 Analog Mux VBOOST
    12. 7.12 ADC
      1. 7.12.1 Electrical Characteristics
      2. 7.12.2 Switching Characteristics
      3. 7.12.3 Linearity Parameters
      4. 7.12.4 Typical Connection Diagram
    13. 7.13 Temperature Sensor
    14. 7.14 VREF1
      1. 7.14.1 Voltage Characteristics (VREF1)
      2. 7.14.2 Electrical Characteristics (VREF1)
    15. 7.15 VREF2
      1. 7.15.1 Voltage Characteristics (VREF2)
      2. 7.15.2 Electrical Characteristics (VREF2)
    16. 7.16 Comparator (COMP)
      1. 7.16.1 Comparator Electrical Characteristics
    17. 7.17 I2C
      1. 7.17.1 I2C Characteristics
      2. 7.17.2 I2C Filter
      3. 7.17.3 I2C Timing Diagram
    18. 7.18 SPI
      1. 7.18.1 SPI
      2. 7.18.2 SPI Timing Diagram
    19. 7.19 UART
    20. 7.20 USB Specifications
      1. 7.20.1 USB Characteristics (USB mode)
    21. 7.21 Serial Audio
    22. 7.22 TIMx
    23. 7.23 Emulation and Debug
      1. 7.23.1 SWD Timing
  9. 8 Detailed Description
    1. 8.1  Functional Block Diagram
    2. 8.2  CPU
    3. 8.3  Operating Modes
      1. 8.3.1 Functionality by Operating Mode (MSPM0G5187)
    4. 8.4  Power Management Unit (PMU)
    5. 8.5  Clock Module (CKM)
    6. 8.6  DMA
    7. 8.7  Events
    8. 8.8  Memory
      1. 8.8.1 Memory Organization
      2. 8.8.2 Peripheral File Map
      3. 8.8.3 Peripheral Interrupt Vector
    9. 8.9  Flash Memory
    10. 8.10 SRAM
    11. 8.11 GPIO
    12. 8.12 IOMUX
    13. 8.13 ADC
    14. 8.14 Temperature Sensor
    15. 8.15 VREF
    16. 8.16 COMP
    17. 8.17 Security
    18. 8.18 AESADV
    19. 8.19 Keystore
    20. 8.20 CRC-P
    21. 8.21 Edge AI NPU
    22. 8.22 Serial Communication Interfaces
      1. 8.22.1 UNICOMM (UART/I2C/SPI)
        1. 8.22.1.1 UART (UNICOMM)
        2. 8.22.1.2 I2C (UNICOMM)
        3. 8.22.1.3 SPI (UNICOMM)
      2. 8.22.2 Universal Serial Bus (USB)
      3. 8.22.3 Digital Audio Interface - I2S/TDM
    23. 8.23 Low-Frequency Sub System (LFSS)
    24. 8.24 RTC_B
    25. 8.25 IWDT_B
    26. 8.26 WWDT
    27. 8.27 Timers (TIMx)
    28. 8.28 Device Analog Connections
    29. 8.29 Input/Output Diagrams
    30. 8.30 Serial Wire Debug Interface
    31. 8.31 Boot Strap Loader (BSL)
    32. 8.32 Device Factory Constants
    33. 8.33 Identification
  10. 9 Applications, Implementation, and Layout
    1. 9.1 Typical Application
      1. 9.1.1 Schematic
  11. 10Device and Documentation Support
    1. 10.1 Getting Started and Next Steps
    2. 10.2 Device Nomenclature
    3. 10.3 Tools and Software
    4. 10.4 Documentation Support
    5. 10.5 Support Resources
    6. 10.6 Trademarks
    7. 10.7 Electrostatic Discharge Caution
    8. 10.8 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

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8.6 DMA

The direct memory access (DMA) controller allows movement of data from one memory address to another without CPU intervention. For example, the DMA can be used to move data from ADC conversion memory to SRAM. The DMA reduces system power consumption by allowing the CPU to remain in low power mode, without having to awaken to move data to or from a peripheral.

The DMA in these devices support the following key features:

  • 12 independent DMA transfer channels
    • 6 full-feature channel (DMA0-DMA5), supporting repeated transfer modes
    • 6 basic channels (DMA6-DMA11) supporting single transfer modes
  • Configurable DMA channel priorities
  • Byte (8-bit), short word (16-bit), word (32-bit) and long word (64-bit) and long-long word (128-bit) or mixed byte and word transfer capability
  • Transfer counter block size supports up to 64k transfers of any data type
  • Configurable DMA transfer trigger selection
  • Active channel interruption to service other channels
  • Early interrupt generation for ping-pong buffer architecture
  • Cascading channels upon completion of activity on another channel
  • Stride mode to support data re-organization, such as 3-phase metering applications
  • Gather mode

Table 8-2 lists the available triggers for the DMA which are configured using the DMATCTL.DMATSEL control bits in the DMA memory mapped registers.

Table 8-2 DMA Trigger Mapping
DMACTL.DMATSEL Trigger Source DMACTL.DMATSEL Trigger Source
0 Software 12 UC3.TX Publisher 2
1 Generic Subscriber (FSUB_0) 13 I2S Publisher 1
2 Generic Subscriber (FSUB_1) 14 I2S Publisher 2
3 AESADV Publisher 1 15 USB-FS Publisher 1
4 AESADV Publisher 2 16 USB-FS Publisher 2
5 UC0.RX Publisher 1 17 USB-FS Publisher 3
6 UC0.TX Publisher 2 18 USB-FS Publisher 4
7 UC1.RX Publisher 1 19 USB-FS Publisher 5
8 UC1.TX Publisher 2 20 USB-FS Publisher 6
9 UC2.RX Publisher 1 21 USB-FS Publisher 7
10 UC2.TX Publisher 2 22 USB-FS Publisher 8
11 UC3.RX Publisher 1 23 ADC0 DMA Trigger
For more details, see the DMA chapter of the MSPM0 G-Series 80-MHz Microcontrollers Technical Reference Manual.