Saturday 21 September 2019

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Arm Cortex-M33 Software Design

Standard Level - 4 days

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This course is designed for engineers developing software for platforms based around the Arm® Cortex®-M33 processor. The course includes an introduction to the Arm product range and supporting IP, the Cortex-M33 core, programmers' model, TrustZone-M security features, instruction set and debug architecture. The course includes a number of hands-on practical exercises covering both assembly and C programming to reinforce the lecture material.

Who should attend?

This course is designed for software engineers writing application and system software for platforms using the Cortex-M33 processor.


  • C programming for Embedded Systems training (or equivalent C programming knowledge)
  • Experience of assembler programming is not required but would be beneficial
  • Some knowledge of embedded systems
  • A basic awareness of Arm is useful but not essential

Training materials

The training materials for this class are based on Arm's own material.
Doulos is a global Arm Approved Training Center.


Day 1

  • Introduction to Arm
  • Cortex-M33 Overview
  • Architectural Features • Register View • Modes of Execution • System Interfaces • Memory Map • Exceptions • Security Attribution • Power Management • Floating Point Unit • Debug Features
  • Armv8-M Mainline Programmers’ Model
  • Introduction • Data Types • Core Registers • Modes, privilege and stacks • Exceptions • Instruction Set Overview
  • Tools Overview for Arm Microcontrollers
  • Arm Compilation Tools • Keil MDK • DS-5 Arm • Fast Models
  • Cortex-M33 Processor Core
  • Teal Pipeline block diagram/Overview • Fetch, Decode/Execute, Complex Execute, Floating Point Stages • Unaligned access penalties
  • CMSIS Overview
  • Introduction • CMSIS-Core • CMSIS-DSP • CMSIS-Driver • CMSIS-RTOS • CMSIS-SVD • CMSIS-Pack • CMSIS-DAP

Day 2

  • Armv8-M Mainline Assembly Programming
  • Introduction • Data Processing Instructions • Load/Store Instructions • Flow Control • Miscellaneous
  • Armv8-M Mainline Exception Handling
  • Introduction • Exception Model • Exception Entry and Exit Behavior • Prioritization and Control • Interrupt Sensitivity • Writing the Vector Table and Interrupt Handlers • Internal Exceptions and RTOS Support • Fault Exceptions
  • Armv8-M Memory Protection
  • Memory Map • Memory Regions • Memory Attributes • MPU Programmer's model • Configuring the MPU • Memory Management Faults

Day 3

  • Armv8-M Synchronization
  • Introduction to synchronization and semaphores • Exclusive accesses • Memory ordering
  • Armv8-M Mainline Compiler Hints and Tips
  • Compiler Support for Armv8-M • Language and Procedure Call Standards • Compiler Optimizations • Coding Considerations • Mixing C/C++ and Assembler • Local and Global Data issues
  • Armv8-M Mainline Linker Hints and Tips
  • Linking Basics • System and User Libraries • Veneers • Stack Issues • Linker Optimizations and Diagnostics • Arm Supplied Libraries
  • Armv8-M Embedded Software Development
  • Default compilation tool behavior • System startup • CMSIS-CORE startup and system initialization code • C library initialization • Tailoring the image memory map to a device • Scatter-loading • Linker placement rules • Stack and heap management • Further memory map considerations • Post startup initialization • Tailoring the C library to a device • Building and debugging an image

Day 4

  • Armv8-M Debug
  • Introduction to Debug • Debug Modes and Security • Debug Events and Reset • Flash Patch and Breakpoint Unit – FPB • Data Watchpoint and Trace Unit – DWT • Instrumentation Trace Macrocell – ITM • Micro Trace Buffer – MTB (optional) • Embedded Trace Macrocell – ETMv4.2 (optional) • Trace Port Interface Unit – TPIU (if ETM is implemented)
  • Armv8-M DSP Extension
  • Extensions Overview • DSP Extension
  • Armv8-M Floating-point Extension
  • Floating-point Extension overview • Registers • Enabling the FPU • Floating-point instructions • Exceptions
  • Armv8-M Security Extension
  • Overview • Memory Configuration • Function Calls & Toolchain Support • Exceptions

Lab Exercises:

  • Keil Tools Introductory Workbook
  • Armv8-M Assembly Programming Workbook
  • Armv8-M Exception Handling Workbook
  • Armv8-M Embedded Software Development Workbook
  • Armv8-M Compiler Hints and Tips Workbook
  • Armv8-M Security Extension Workbook

Arm and Cortex, are registered trade marks of Arm Holdings Plc.

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