SLASFH8 March   2026 MSPM33C321A-Q1

ADVANCE INFORMATION  

1.   1
2. 1 Features
3. 2 Applications
4. 3 Description
5. 4 Functional Block Diagram
6. 5 Device Comparison
7. 6 Pin Configuration and Functions
   1. 6.1 Pin Diagrams
   2. 6.2 Pin Attributes
      1.      10
   3. 6.3 Signal Descriptions
      1.      12
      2.      13
      3.      14
      4.      15
      5.      16
      6.      17
      7.      18
      8.      19
      9.      20
      10.      21
      11.      22
      12.      23
      13.      24
      14.      25
      15.      26
      16.      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
      4. 7.5.4 VBAT current consumption
   6. 7.6  Flash Memory Characteristics
   7. 7.7  Power Supply Sequencing
      1. 7.7.1 Power Supply Ramp
      2. 7.7.2 POR and BOR
      3. 7.7.3 VBat Characteristics
      4. 7.7.4 Timing Characteristics
   8. 7.8  Clock Specifications
      1. 7.8.1 System Oscillator (SYSOSC)
      2. 7.8.2 High Frequency Crystal/Clock
      3. 7.8.3 System Phase Lock Loop (SYSPLL)
      4. 7.8.4 Low Frequency Oscillator (LFOSC)
      5. 7.8.5 Low Frequency Crystal/Clock
   9. 7.9  Analog Specifications
      1. 7.9.1 ADC Specifications
         1. 7.9.1.1 ADC Electrical Characteristics
         2. 7.9.1.2 ADC Switching Characteristics
         3. 7.9.1.3 ADC Linearity Parameters
         4. 7.9.1.4 Typical Connection Diagram
      2. 7.9.2 COMP Specifications
         1. 7.9.2.1 Comparator Electrical Characteristics
         2. 7.9.2.2 COMP DAC Electrical Characteristics
      3. 7.9.3 VREF Specifications
         1. 7.9.3.1 VREF Voltage Characteristics
         2. 7.9.3.2 VREF Electrical Characteristics
      4. 7.9.4 Analog VBOOST Specification
         1. 7.9.4.1 Analog Mux VBOOST
      5. 7.9.5 Temperature Sensor
   10. 7.10 Serial Interface Specifications
       1. 7.10.1 UART
          1. 7.10.1.1 UART
       2. 7.10.2 I2C
          1. 7.10.2.1 I2C Characteristics
          2. 7.10.2.2 I2C Filter
          3. 7.10.2.3 I2C Timing Diagram
       3. 7.10.3 SPI
          1. 7.10.3.1 SPI
          2. 7.10.3.2 SPI Timing Diagram
       4. 7.10.4 CAN
          1. 7.10.4.1 CAN
       5. 7.10.5 QSPI
          1. 7.10.5.1 QSPI
          2. 7.10.5.2 QSPI Timing Diagram
       6. 7.10.6 I2S/TDM
          1. 7.10.6.1 Serial Audio
          2. 7.10.6.2 I2S/TDM Timing Diagram
   11. 7.11 Digital IO
   12. 7.12 TRNG
       1. 7.12.1 TRNG Electrical Characteristics
       2. 7.12.2 TRNG Switching Characteristics
   13. 7.13 Emulation and Debug
       1. 7.13.1 SWD Timing
9. 8 Detailed Description
   1. 8.1  Arm Cortex-M33 core with TrustZone and FPU
   2. 8.2  Power Management and Clock Unit (PMCU)
      1. 8.2.1 Power Management Unit (PMU)
      2. 8.2.2 Clock Module (CKM)
      3. 8.2.3 Operating Modes
         1. 8.2.3.1 Functionality by Operating Mode
   3. 8.3  Device Memory Map
      1. 8.3.1 Memory Organization
      2. 8.3.2 Peripheral Memory Map
   4. 8.4  NVIC Interrupt Map
   5. 8.5  Embedded Flash Memory
   6. 8.6  Embedded SRAM
   7. 8.7  DMA
   8. 8.8  Event Manager
   9. 8.9  Error Aggregator Module (EAM)
   10. 8.10 GPIO
   11. 8.11 IOMUX
       1. 8.11.1 Input/Output Diagrams
   12. 8.12 Analog Modules
       1. 8.12.1 HSADC
       2. 8.12.2 COMP
       3. 8.12.3 Temperature Sensor
       4. 8.12.4 VREF
       5. 8.12.5 Device Analog Connections
   13. 8.13 Security and Cryptography
       1. 8.13.1 Global Security Controller (GSC)
       2. 8.13.2 AESADV
       3. 8.13.3 SHA256
       4. 8.13.4 Public Key Algorithm (PKA)
       5. 8.13.5 TRNG
       6. 8.13.6 Keystore
       7. 8.13.7 CRC
   14. 8.14 Serial Communication Interfaces
       1. 8.14.1 UNICOMM (UART/I2C/SPI)
          1. 8.14.1.1 UART (UNICOMM)
          2. 8.14.1.2 I2C (UNICOMM)
          3. 8.14.1.3 SPI (UNICOMM)
       2. 8.14.2 CAN-FD
       3. 8.14.3 Quad SPI (QSPI)
       4. 8.14.4 Digital Audio Interface - I2S/TDM
   15. 8.15 LFSS
   16. 8.16 Timers, RTC and Watchdogs
       1. 8.16.1 Timers (TIMx)
       2. 8.16.2 RTC_A
       3. 8.16.3 IWDT
       4. 8.16.4 WWDT
   17. 8.17 Serial Wire Debug Interface
   18. 8.18 Bootstrap Loader (BSL)
   19. 8.19 Device Factory Constants
   20. 8.20 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