2023Maker Innovations SeriesOpen access

Reset Interrupt

Norman Dunbar

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Abstract

In this chapter, we begin our dive into the specific interrupts available on the ATmega328P by taking a look at the Reset interrupt. This is the interrupt which triggers when the board is powered on or reset in some manner, so it’s a good place to start our investigations. You will learn here how to determine why the board was reset but also how the bootloader installed on your board might just hide those details from you.

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What this paper is about

In this chapter, we begin our dive into the specific interrupts available on the ATmega328P by taking a look at the Reset interrupt. This is the interrupt which triggers when the board is powered on or reset in some manner, so it’s a good place to start our investigations. You will learn here how to determine why the board was reset but also how the bootloader installed on your board might just hide those details from you.

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Available abstract

In this chapter, we begin our dive into the specific interrupts available on the ATmega328P by taking a look at the Reset interrupt. This is the interrupt which triggers when the board is powered on or reset in some manner, so it’s a good place to start our investigations. You will learn here how to determine why the board was reset but also how the bootloader installed on your board might just hide those details from you.

Key concepts: Interrupt, Reset (finance), Booting, Computer science, Embedded system, Interrupt handler, Computer hardware, Microcontroller

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