STM32 GPIO Modes Explained: Push-Pull, Open-Drain, Input & Analog (With Circuit Details)

Embedded STM32 GPIO Modes Explained: Push-Pull, Open-Drain, Input & Analog (With Circuit Details)

A complete guide to STM32 GPIO modes. Learn about Push-Pull, Open-Drain, Alternate Functions, Floating, Pull-Up, Pull-Down, and Analog inputs, with circuit diagrams, register explanations, and practical applications. Preface: STM32 has eight modes, as follows: The STM32 standard IO structure diagram is as follows: The following circuit is a protection circuit. When the voltage is greater…

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Embedded 2025-09-02
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