Microcontroller Lab | EXPERIMENT NO. 9 TITLE: Introduction to ARM Microcontrollers - Basic I/O and Peripherals by Prakhar Chauhan | Learn Smarter
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EXPERIMENT NO. 9 TITLE: Introduction to ARM Microcontrollers - Basic I/O and Peripherals

This chapter introduces the ARM microcontroller architecture with an emphasis on the Cortex-M series, detailing its key components such as GPIO and timers for basic I/O operations. It covers technical elements like memory organization, the advantages of RISC architecture in embedded systems, and practical applications in coding LED blinking and button reading using STM32 microcontrollers. The development environment setup, program execution, and debugging are also thoroughly discussed to provide a comprehensive understanding of ARM-based programming.

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Sections

  • 1

    Theory / Background

    This section introduces ARM microcontroller architecture, focusing on the Cortex-M series and its RISC processor underpinnings.

    Learning Practice

  • 1.1

    Introduction To Risc Processors

    RISC processors feature a simplified instruction set, designed for efficiency and performance in embedded systems.

    Learning Practice

  • 1.2

    Introduction To Arm Microcontrollers

    This section introduces ARM microcontroller architecture, specifically the Cortex-M series, focusing on its design for embedded applications.

    Learning Practice

  • 1.3

    Memory Organization And Peripheral Access In Arm (Stm32 Example)

    This section discusses the memory organization and peripheral access mechanisms utilized in ARM Cortex-M microcontrollers, specifically using the STM32 as an example.

    Learning Practice

  • 1.4

    General Purpose Input/output (Gpio)

    This section discusses General Purpose Input/Output (GPIO) pins in ARM microcontrollers, primarily focusing on their configuration and functionality.

    Learning Practice

  • 1.5

    Timers (General-Purpose Timer - Example)

    This section introduces the function and configuration of general-purpose timers in ARM microcontrollers, specifically focusing on their structure and use in generating delays.

    Learning Practice

  • 1.6

    Development Environment (Keil Mdk-Arm / Stm32cubeide)

    This section introduces the Keil MDK-ARM and STM32CubeIDE development environments, focusing on features that facilitate programming and debugging ARM Cortex-M microcontrollers.

    Learning Practice

  • 2

    Apparatus / Software Required

    This section outlines the essential apparatus and software needed to conduct the experiment on ARM microcontrollers.

    Learning Practice

  • 3

    Procedure

    This section outlines the procedure for setting up the development environment and executing programs on ARM microcontrollers.

    Learning Practice

  • 3.1

    Development Environment Setup And Project Creation

    This section covers the steps necessary for setting up the development environment and creating projects using ARM microcontrollers.

    Learning Practice

  • 3.2

    Build And Download

    This section describes the process of building and downloading ARM microcontroller programs using development environments like Keil MDK-ARM and STM32CubeIDE.

    Learning Practice

  • 3.3

    Debugging On Hardware

    This section introduces the debugging process on ARM hardware, focusing on using the development environment for effective program testing and troubleshooting.

    Learning Practice

  • 3.4

    Observation

    This section focuses on the practical observation of the behavior of ARM microcontroller peripherals, including output from LEDs and input from pushbuttons.

    Learning Practice

  • 4

    Programs To Be Executed (C Language)

    This section provides C language programs for ARM microcontrollers focusing on GPIO operations such as LED control and button reading using direct register access.

    Learning Practice

  • 4.1

    Program 1: Blinking On-Board Led

    This section covers the implementation of an embedded program to blink an on-board LED using an ARM microcontroller, specifically focusing on basic General Purpose Input/Output (GPIO) and timer functionalities.

    Learning Practice

  • 4.2

    Program 2: Reading Pushbutton Input And Controlling Led

    This section covers the implementation of reading a pushbutton input and controlling an LED using an ARM Cortex-M microcontroller.

    Learning Practice

  • 4.3

    Program 3: Delay Generation Using A Timer (Polling Method)

    This section discusses how to generate precise delays using a timer in ARM microcontrollers by polling the timer's update flag, specifically focusing on applications such as LED blinking.

    Learning Practice

  • 5

    Observations And Results

    This section outlines the results and observations from the ARM microcontroller experiment focused on GPIO operations, button reading, and timer delay generation.

    Learning Practice

  • 5.1

    Program 1: Blinking On-Board Led

    This section introduces using ARM microcontrollers for blinking an on-board LED, detailing GPIO configuration and delay generation techniques.

    Learning Practice

  • 5.2

    Program 2: Reading Pushbutton Input And Controlling Led

    This section focuses on utilizing the ARM microcontroller to read pushbutton inputs and control an LED, emphasizing the GPIO configuration and basic programming principles.

    Learning Practice

  • 5.3

    Program 3: Delay Generation Using A Timer (Polling Method)

    This section explains how to generate precise delays using a timer in ARM microcontrollers, specifically through the polling method.

    Learning Practice

  • 6

    Conclusion

    The conclusion encapsulates key learnings regarding ARM microcontrollers, their architecture, and practical applications in embedded systems.

    Learning Practice

  • 7

    Viva Voce Questions

    This section outlines various viva voce questions regarding ARM microcontroller architecture and peripheral handling.

    Learning Practice

References

Untitled document (17).pdf

Class Notes

Memorization

What we have learnt

  • RISC architecture enables f...
  • ARM Cortex-M series microco...
  • GPIO and timers are essenti...

Final Test

Revision Tests