XM33C321ASPZR datasheet(5/122 Pages) TI2

5 / 122 page

Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 2

3 Description.......................................................................2

4 Functional Block Diagram.............................................. 4

5 Device Comparison......................................................... 6

6 Pin Configuration and Functions...................................7

6.1 Pin Diagrams.............................................................. 7

6.2 Pin Attributes.............................................................13

6.3 Signal Descriptions................................................... 27

6.4 Connections for Unused Pins................................... 41

7 Specifications................................................................ 42

7.1 Absolute Maximum Ratings...................................... 42

7.2 ESD Ratings............................................................. 42

7.3 Recommended Operating Conditions.......................42

7.4 Thermal Information..................................................43

7.5 Supply Current Characteristics................................. 44

7.6 Flash Memory Characteristics.................................. 45

7.7 Power Supply Sequencing........................................46

7.8 Clock Specifications..................................................48

7.9 Analog Specifications................................................51

7.10 Serial Interface Specifications.................................55

7.11 Digital IO................................................................. 60

7.12 TRNG......................................................................62

7.13 Emulation and Debug............................................. 62

8 Detailed Description......................................................63

8.1 Arm Cortex-M33 core with TrustZone and FPU........63

8.2 Power Management and Clock Unit (PMCU)........... 63

8.3 Device Memory Map................................................. 67

8.4 NVIC Interrupt Map .................................................. 71

8.5 Embedded Flash Memory.........................................72

8.6 Embedded SRAM..................................................... 72

8.7 DMA.......................................................................... 73

8.8 Event Manager..........................................................74

8.9 Error Aggregator Module (EAM)............................... 75

8.10 GPIO....................................................................... 75

8.11 IOMUX.................................................................... 76

8.12 Analog Modules...................................................... 77

8.13 Security and Cryptography..................................... 82

8.14 Serial Communication Interfaces............................ 84

8.15 LFSS....................................................................... 87

8.16 Timers, RTC_A and Watchdogs..............................87

8.17 Serial Wire Debug Interface....................................91

8.18 Bootstrap Loader (BSL).......................................... 91

8.19 Device Factory Constants ......................................92

8.20 Identification............................................................92

9 Applications, Implementation, and Layout................. 93

9.1 Typical Application.................................................... 93

10 Device and Documentation Support..........................95

10.1 Getting Started and Next Steps.............................. 95

10.2 Device Nomenclature..............................................95

10.3 Tools and Software................................................. 96

10.4 Documentation Support.......................................... 97

10.5 Support Resources................................................. 97

10.6 Trademarks.............................................................97

10.7 Electrostatic Discharge Caution..............................97

10.8 Glossary..................................................................97

11 Revision History.......................................................... 97

12 Mechanical, Packaging, and Orderable

Information.................................................................... 99

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MSPM33C321A, MSPM33C3219

SLASFB6A – DECEMBER 2025 – REVISED SEPTEMBER 2026

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Product Folder Links: MSPM33C321A MSPM33C3219

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