Bare-Metal ARM Programming

Bare-metal embedded C study on STM32F439ZI / ARM Cortex-M4.

Focus: register-level hardware control, interrupts, peripherals, and low-level system behavior.

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Environment

• MCU — STM32F439ZI
• Board — NUCLEO-F439ZI
• Core — ARM Cortex-M4
• Language — C
• IDE — STM32CubeIDE
• Debugger — ST-LINK / SWD

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Study Scope

18 Chapters

Registers → GPIO → Timers → UART / ADC / SPI / I2C → Interrupts → RTC / IWDG → DMA → Power

Use the chapter list in the sidebar to navigate.

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Goal

Understand the connection between software and hardware at register level.

Computer Architecture
        ↓
Bare-Metal C
        ↓
Peripheral / SoC RTL