AVRDUDE

AVRDUDE

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Overview

AVRDUDE (or avrdude) is a popular, open-source, third-party (i.e. non-Atmel) command-line utility for programming Atmel microcontrollers.

The default information printed by avrdude from the Windows command line.

The default information printed by avrdude from the Windows command line.

It supports a wide-range of programmers and microcontrollers.

A Windows command-line screenshot of AVRDUDE programming an Atmel ATmega microcontroller.

A Windows command-line screenshot of AVRDUDE programming an Atmel ATmega microcontroller.

The Micro Won't Program, What Do I Do?

Sometimes the bit rate that the programmer is trying to talk to the micro at can be a little to fast. You can slow it down with the bit rate option (-B). The bit-rate option requires a floating-point number which determines half the period of the programming waveform, in microseconds. That's right. Half. What? So -B 2.5 would set the period to be 5us, or 200kHz.

Do NOT get this confused with the baudrate option (-b), which determines the serial baudrate at which the computer talks to serial-based programmers at.


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