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The AVR 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.
AVR is a microcontroller of the ATMEL family, used in Arduino. ARM is a microprocessor. Most of the Arduino Boards come with AVR controllers. Recently Arduino Due has been launched which is based on ARM processor.
The data direction register (DDR) is most likely the first register that you configure since the DDR register determines if pins on a specific port are inputs or outputs. The DDR register is 8 bits long and each bit corresponds to a pin on that I/O port.
ATmega32 microController is a low power CMOS technology based controller. Due to RISC architecture AVR microcontroller can execute 1 million of instructions per second if cycle frequency is 1 MHz provided by crystal oscillator.
Ever since I heard about google's new language Go I wanted to use it for microcontroller programming. In particular Atmel AVR micro-controllers like the Atmega series. Is there a Go port for this architecture?
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