1. Introduction 2. Getting started with Cortex-M Programming 3. Technical overview of the Cortex-M23 and Cortex-M33 processors 4. Architecture 5. Instruction set 6. Memory system 7. TrustZone support in the memory system 8. Exceptions and Interrupts - architecture overview 9. Management of Exceptions and Interrupts 10. Low power and system control features 11. OS support features 12. Memory Protection Unit (MPU) 13. Fault Exceptions and Fault Handling 14. The Floating-Point Unit (FPU) in the Cortex-M33 processor 15. Coprocessor interface and Arm Custom Instructions 16. Introduction to the debug and trace features 17. Software development 18. Secure software development 19. Digital Signal Processing on the Cortex-M33 processor 20. Using the Arm CMSIS-DSP library 21. Advanced topics 22. Introduction to IoT security and the PSA CertifiedT framework