SLASFB6
December 2025
MSPM33C321A
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Functional Block Diagram
5
Device Comparison
6
Pin Configuration and Functions
6.1
Pin Diagrams
6.2
Pin Attributes
10
6.3
Signal Descriptions
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
6.4
Connections for Unused Pins
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Supply Current Characteristics
7.5.1
RUN/SLEEP Modes
7.5.2
STOP/STANDBY Modes
7.5.3
SHUTDOWN Mode
7.5.4
VBAT current consumption
7.6
Flash Memory Characteristics
7.7
Power Supply Sequencing
7.7.1
Power Supply Ramp
7.7.2
POR and BOR
7.7.3
VBat Characteristics
7.7.4
Timing Characteristics
7.8
Clock Specifications
7.8.1
System Oscillator (SYSOSC)
7.8.2
High Frequency Crystal/Clock
7.8.3
System Phase Lock Loop (SYSPLL)
7.8.4
Low Frequency Oscillator (LFOSC)
7.8.5
Low Frequency Crystal/Clock
7.9
Analog Specifications
7.9.1
ADC Specifications
7.9.1.1
ADC Electrical Characteristics
7.9.1.2
ADC Switching Characteristics
7.9.1.3
ADC Linearity Parameters
7.9.1.4
Typical Connection Diagram
7.9.2
COMP Specifications
7.9.2.1
Comparator Electrical Characteristics
7.9.2.2
COMP DAC Electrical Characteristics
7.9.3
VREF Specifications
7.9.3.1
VREF Voltage Characteristics
7.9.3.2
VREF Electrical Characteristics
7.9.4
Analog VBOOST Specification
7.9.4.1
Analog Mux VBOOST
7.9.5
Temperature Sensor
7.10
Serial Interface Specifications
7.10.1
UART
7.10.1.1
UART
7.10.2
I2C
7.10.2.1
I2C Characteristics
7.10.2.2
I2C Filter
7.10.2.3
I2C Timing Diagram
7.10.3
SPI
7.10.3.1
SPI
7.10.3.2
SPI Timing Diagram
7.10.4
CAN
7.10.4.1
CAN
7.10.5
QSPI
7.10.5.1
QSPI
7.10.5.2
QSPI Timing Diagram
7.10.6
I2S/TDM
7.10.6.1
Serial Audio
7.10.6.2
I2S/TDM Timing Diagram
7.11
Digital IO
7.12
TRNG
7.12.1
TRNG Electrical Characteristics
7.12.2
TRNG Switching Characteristics
7.13
Emulation and Debug
7.13.1
SWD Timing
8
Detailed Description
8.1
Arm Cortex-M33 core with TrustZone and FPU
8.2
Power Management and Clock Unit (PMCU)
8.2.1
Power Management Unit (PMU)
8.2.2
Clock Module (CKM)
8.2.3
Operating Modes
8.2.3.1
Functionality by Operating Mode
8.3
Device Memory Map
8.3.1
Memory Organization
8.3.2
Peripheral Memory Map
8.4
NVIC Interrupt Map
8.5
Embedded Flash Memory
8.6
Embedded SRAM
8.7
DMA
8.8
Event Manager
8.9
Error Aggregator Module (EAM)
8.10
GPIO
8.11
IOMUX
8.11.1
Input/Output Diagrams
8.12
Analog Modules
8.12.1
HSADC
8.12.2
COMP
8.12.3
Temperature Sensor
8.12.4
VREF
8.12.5
Device Analog Connections
8.13
Security and Cryptography
8.13.1
Global Security Controller (GSC)
8.13.2
AESADV
8.13.3
SHA256
8.13.4
Public Key Algorithm (PKA)
8.13.5
TRNG
8.13.6
Keystore
8.13.7
CRC
8.14
Serial Communication Interfaces
8.14.1
UNICOMM (UART/I2C/SPI)
8.14.1.1
UART (UNICOMM)
8.14.1.2
I2C (UNICOMM)
8.14.1.3
SPI (UNICOMM)
8.14.2
CAN-FD
8.14.3
Quad SPI (QSPI)
8.14.4
Digital Audio Interface - I2S/TDM
8.15
LFSS
8.16
Timers, RTC and Watchdogs
8.16.1
Timers (TIMx)
8.16.2
RTC_A
8.16.3
IWDT
8.16.4
WWDT
8.17
Serial Wire Debug Interface
8.18
Bootstrap Loader (BSL)
8.19
Device Factory Constants
8.20
Identification
9
Applications, Implementation, and Layout
9.1
Typical Application
9.1.1
Schematic
10
Device and Documentation Support
10.1
Getting Started and Next Steps
10.2
Device Nomenclature
10.3
Tools and Software
10.4
Documentation Support
10.5
Support Resources
10.6
Trademarks
10.7
Electrostatic Discharge Caution
10.8
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PZ|100
MTQF013B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slasfb6_oa
Data Sheet
MSPM33C321x
Mixed-Signal Microcontrollers