Cortex-M Thread vs Handler Mode Explained (with STM32 Interrupt Demo)
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🔍 Thread Mode vs Handler Mode in ARM Cortex-M
In this video, we explore the two main processor modes in ARM Cortex-M microcontrollers: Thread Mode and Handler Mode. You’ll learn the privilege levels supported in each mode, how banked stack pointers are managed, and how the processor transitions between these modes. We’ll also walk through a real-time debug session using Keil on an STM32 microcontroller to demonstrate these concepts in action.
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#cortexm #stm32 #embeddedsystems #interrupts #keil #microcontroller #programming #clanguage
Perfect for engineers, students, and anyone passionate about embedded systems!
00:00 Introduction
00:49 Overview of ARM Cortex-M Processor Modes
03:02 Switching Between Modes
05:25 Privilege Levels and Cortex-M Modes
06:28 Banked Stack Pointers (MSP and PSP) and Cortex-M Modes
08:07 Live Debug Session on STM32 (Keil uVision)