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

Table 6-17 Unified Communication Module (UniComm) Signal Descriptions
SIGNAL NAMEPIN TYPEDESCRIPTIONPZ PINPN PINPM PINRGZ PIN
UC2_PICOIOUnified Communication Module UC2: SPI PICO signal18, 28, 7313, 23, 5814, 45, 5511, 17, 36
UC2_POCIIOUnified Communication Module UC2: SPI POCI signal17, 26, 33, 7512, 21, 28, 6016, 44, 53, 5610, 18, 38
UC2_SCKIODUnified Communication Module UC2: SPI SCLK signal19, 27, 34, 7414, 22, 29, 5915, 46, 54, 5712, 16, 19, 37
UC12_CTSIOUnified Communication Module UC12: UART CTS signal13, 28, 40, 523, 30, 537, 55, 5817, 20
UC12_RTSIOUnified Communication Module UC12: UART RTS signal12, 27, 4, 4122, 31, 436, 54, 5916, 21
UC12_RXIOUnified Communication Module UC12: UART RX signal15, 2, 21, 34, 50, 53, 7210, 16, 2, 29, 40, 43, 5713, 34, 4, 42, 48, 57, 719, 2, 26, 29, 35, 8
UC12_TXIOUnified Communication Module UC12: UART TX signal1, 14, 20, 3, 33, 49, 52, 711, 15, 28, 3, 39, 42, 5612, 3, 33, 35, 47, 56, 61, 18, 25, 28, 3, 34, 7
UC14_CTSIOUnified Communication Module UC14: UART CTS signal85, 897022
UC14_RTSIOUnified Communication Module UC14: UART RTS signal86, 90712342
UC14_SCL_RXIODUnified Communication Module UC14: I2C SCL or UART RX signal83, 876820
UC14_SDA_TXIODUnified Communication Module UC14: I2C SDA or UART TX signal84, 886921
UC13_0_PICO_SDA_TXIODUnified Communication Module UC13: 0 or SPI PICO or I2C SDA or UART TX signal31, 42, 43, 46, 53, 66, 70, 78, 84, 9826, 32, 33, 36, 43, 51, 55, 63, 69, 7811, 21, 30, 60, 61, 64, 722, 23, 29, 33, 46
UC13_0_POCI_RTSIOUnified Communication Module UC13: 0 or SPI POCI or UART RTS signal26, 30, 41, 48, 52, 55, 81, 9321, 25, 31, 38, 42, 45, 66, 732, 25, 53, 59, 621, 24, 28, 44
UC13_0_SCK_SCL_RXIODUnified Communication Module UC13: 0 or SPI SCLK or I2C SCL or UART RX signal32, 42, 43, 47, 52, 65, 69, 79, 85, 9427, 32, 33, 37, 42, 50, 54, 64, 70, 741, 10, 22, 26, 6, 60, 6122, 23, 28, 32, 45
UC13_1_PICO_SDA_TXIODUnified Communication Module UC13: 1 or SPI PICO or I2C SDA or UART TX signal12, 25, 49, 73, 76, 9220, 39, 58, 61, 7214, 17, 24, 3, 5225, 36, 39, 43
UC13_1_POCI_RTSIOUnified Communication Module UC13: 1 or SPI POCI or UART RTS signal15, 24, 26, 9410, 19, 21, 7426, 42, 51, 5315, 45, 8
UC13_1_SCK_SCL_RXIODUnified Communication Module UC13: 1 or SPI SCLK or I2C SCL or UART RX signal13, 33, 50, 74, 77, 9328, 40, 59, 62, 7315, 18, 25, 4, 5618, 26, 37, 40, 44
UC13_2_PICO_SDA_TXIODUnified Communication Module UC13: 2 or SPI PICO or I2C SDA or UART TX signal44, 9334, 7325, 6244
UC13_2_POCI_RTSIOUnified Communication Module UC13: 2 or SPI POCI or UART RTS signal47, 7737, 621, 1840
UC13_2_SCK_SCL_RXIODUnified Communication Module UC13: 2 or SPI SCLK or I2C SCL or UART RX signal45, 9235, 7224, 6343
UC13_3_PICO_SDA_TXIODUnified Communication Module UC13: 3 or SPI PICO or I2C SDA or UART TX signal2, 30, 37, 982, 25, 7830, 342, 46
UC13_3_POCI_RTSIOUnified Communication Module UC13: 3 or SPI POCI or UART RTS signal15, 32, 4, 9910, 27, 4, 7931, 36, 4247, 8
UC13_3_SCK_SCL_RXIODUnified Communication Module UC13: 3 or SPI SCLK or I2C SCL or UART RX signal1, 14, 29, 941, 24, 7426, 331, 45, 7
UC13_0_CS0_CTSIOUnified Communication Module UC13: 0 or SPI CS0 or UART CTS signal25, 29, 51, 65, 80, 92, 9820, 24, 41, 50, 65, 72, 7824, 30, 5, 5227, 43, 46
UC13_1_CS0_CTSIOUnified Communication Module UC13: 1 or SPI CS0 or UART CTS signal17, 23, 7012, 18, 5511, 44, 5010, 14, 33
UC13_2_CS0_CTSIOUnified Communication Module UC13: 2 or SPI CS0 or UART CTS signal46, 7636, 6117, 6439
UC13_3_CS0_CTSIOUnified Communication Module UC13: 3 or SPI CS0 or UART CTS signal3, 31, 6526, 3, 50353
UC15_0_SCLIODUnified Communication Module UC15: 0 or I2C SCL signal2, 34, 722, 29, 5713, 34, 5719, 2, 35
UC15_0_SDAIODUnified Communication Module UC15: 0 or I2C SDA signal1, 3, 33, 711, 28, 3, 5612, 33, 35, 561, 18, 3, 34
UC15_1_SCLIODUnified Communication Module UC15: 1 or I2C SCL signal17, 23, 4, 5412, 18, 4, 4436, 44, 5010, 14, 30
UC15_1_SDAIODUnified Communication Module UC15: 1 or I2C SDA signal16, 24, 5, 5511, 19, 45, 537, 43, 5115, 9
UC1_0_CTSIOUnified Communication Module UC1: 0 or UART CTS signal28, 53, 75, 9523, 43, 60, 7516, 27, 55, 717, 29, 38
UC1_0_RTSIOUnified Communication Module UC1: 0 or UART RTS signal27, 54, 9622, 44, 7628, 5416, 30
UC1_0_SCL_RXIODUnified Communication Module UC1: 0 or I2C SCL or UART RX signal2, 21, 3416, 2, 2934, 48, 5719, 2
UC1_0_SDA_TXIODUnified Communication Module UC1: 0 or I2C SDA or UART TX signal1, 20, 3, 331, 15, 28, 333, 35, 47, 561, 18, 3
UC1_1_CTSIOUnified Communication Module UC1: 1 or UART CTS signal42, 7632, 6117, 6022, 39
UC1_1_RTSIOUnified Communication Module UC1: 1 or UART RTS signal43, 7733, 6218, 6123, 40
UC1_1_SCL_RXIODUnified Communication Module UC1: 1 or I2C SCL or UART RX signal17, 23, 26, 28, 4, 41, 54, 7012, 18, 21, 23, 31, 4, 44, 5511, 36, 44, 50, 53, 55, 5910, 14, 17, 21, 30, 33
UC1_1_SDA_TXIODUnified Communication Module UC1: 1 or I2C SDA or UART TX signal16, 24, 25, 27, 40, 5, 55, 6911, 19, 20, 22, 30, 45, 5, 5410, 37, 43, 51, 52, 54, 5815, 16, 20, 32, 9
UC2_CS0IOUnified Communication Module UC2: SPI CS0 signal15, 65, 7910, 50, 64428
UC2_CS1IOUnified Communication Module UC2: SPI CS1 signal16, 40, 78, 9911, 30, 63, 7931, 43, 5820, 47, 9
UC2_CS2IOUnified Communication Module UC2: SPI CS2 signal82, 9367, 7319, 2541, 44
UC2_CS3IOUnified Communication Module UC2: SPI CS3 signal86, 9271, 7223, 2442, 43