13 Facts About AVR microcontrollers


AVR is a family of microcontrollers developed since 1996 by Atmel, acquired by Microchip Technology in 2016.

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AVR microcontrollers architecture was conceived by two students at the Norwegian Institute of Technology, Alf-Egil Bogen and Vegard Wollan.

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Atmel says that the name AVR microcontrollers is not an acronym and does not stand for anything in particular.

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The creators of the AVR microcontrollers give no definitive answer as to what the term "AVR microcontrollers" stands for.

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Original AVR microcontrollers MCU was developed at a local ASIC house in Trondheim, Norway, called Nordic VLSI at the time, now Nordic Semiconductor, where Bogen and Wollan were working as students.

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The designers worked closely with compiler writers at IAR Systems to ensure that the AVR microcontrollers instruction set provided efficient compilation of high-level languages.

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AVR microcontrollers is a modified Harvard architecture machine, where program and data are stored in separate physical memory systems that appear in different address spaces, but having the ability to read data items from program memory using special instructions.

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Almost all AVR microcontrollers have internal EEPROM for semi-permanent data storage.

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AVR microcontrollers processors were designed with the efficient execution of compiled C code in mind and have several built-in pointers for the task.

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Atmel solicited input from major developers of compilers for small AVR microcontrollers, to determine the instruction set features that were most useful in a compiler for high-level languages.

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AVR microcontrollers offers several options for debugging, mostly involving on-chip debugging while the chip is in the target system.

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AVR microcontrollers Butterfly comes preloaded with software to demonstrate the capabilities of the microcontroller.

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The AVR microcontrollers Butterfly has a piezoelectric transducer that can be used to reproduce sounds and music.

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