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ARM Cortex-M Interrupts, Timers & DMA: Master NVIC, Exceptions, Timers, PWM, DMA, Real-Time Scheduling, and Peripheral Data Transfers in Embedded C
Paperback
General ComputersIndustrial Design
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Publisher: Independently Published
Pages: 300
Weight: 1.55
Height: 0.63 Width: 8.50 Depth: 11.00
Language: English
Master NVIC, Exceptions, Timers, PWM, DMA, Real-Time Scheduling, and Peripheral Data Transfers in Embedded C
Stop Guessing at Registers. Start Understanding Your Firmware.When interrupts fire unexpectedly, DMA transfers corrupt data, or PWM signals refuse to behave as expected, knowing C isn't enough. You need to understand how the Cortex-M processor, memory, interrupts, timers, and peripherals work together.
ARM Cortex-M Interrupts, Timers & DMA is a practical, register-level guide for developing reliable embedded firmware. Rather than simply explaining what peripherals do, it shows you how to configure them, understand their runtime behavior, troubleshoot common problems, and use them effectively in real embedded applications.
What You'll LearnMaster NVIC & Exceptions - Understand interrupt priorities, preemption, pending and active states, exception handling, priority grouping, and tail-chaining across Cortex-M0, M3, M4, and M7.
Write Reliable ISRs - Apply ISR design principles, volatile usage, flag handling, synchronization techniques, race-condition prevention, and memory barriers.
Control STM32 Timers & PWM - Work with timer interrupts, input capture, frequency measurement, quadrature encoders, one-pulse mode, complementary outputs, dead-time insertion, and timer synchronization.
Build DMA-Based Transfers - Configure DMA for UART, SPI, I2C, ADC, and DAC using single-buffer and circular-buffer architectures, with coverage of STM32F4 and STM32H7.
Reduce CPU Overhead - Replace inefficient polling with interrupt- and DMA-driven designs that leave more processor time for application logic, real-time tasks, and power management.
Integrate FreeRTOS - Understand ISR-to-task communication, task notifications, interrupt priority constraints, PendSV, context switching, and deferred interrupt processing.
Handle Cortex-M7 DMA & Cache - Understand cache-related DMA consistency problems and the cache maintenance and memory-management techniques used to prevent subtle data corruption.
If you've mainly used STM32 HAL libraries, this book takes you underneath the abstraction layer. Learn how registers, interrupt controllers, timers, DMA engines, memory, and peripherals interact-and why configuration sequences matter.
The goal isn't to memorize registers. It's to develop the ability to read reference manuals, understand hardware behavior, diagnose failures, and write predictable embedded C firmware.
Practical Reference MaterialYou'll also find useful resources covering:
NVIC registers and interrupt configuration
STM32 timer capabilities
DMA configuration and request mapping
CMSIS Core APIs
ISR design principles
Interrupt, timer, and DMA implementation patterns
Ideal for embedded engineers, C programmers, electronics and embedded systems students, STM32 developers, firmware engineers, and developers preparing for embedded systems roles.
Whether you're debugging an interrupt, designing a DMA data pipeline, generating precise PWM, or building a real-time application, this guide helps you develop the hardware-level understanding needed to work with confidence.
Stop treating interrupts, timers, and DMA as black boxes.
Understand the hardware. Control the peripherals. Write better embedded C.
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