Introduction to AVR Chapter 1

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Presentation transcript:

Introduction to AVR Chapter 1 Sepehr Naimi www.NicerLand.com

Topics Microcontrollers vs. Microprocessors Most common microcontrollers AVR Features AVR members

General Purpose Microprocessors vs. Microcontrollers

Most common microcontrollers 8-bit microcontrollers AVR PIC HCS12 8051 32-bit microcontrollers ARM AVR32 PIC32

AVR internal architecture

AVR different groups Classic AVR Mega Tiny Special Purpose AVR XMega e.g. AT90S2313, AT90S4433 Mega e.g. ATmega328, ATmega32, ATmega128 Tiny e.g. ATtiny13, ATtiny25 Special Purpose AVR e.g. AT90PWM216,AT90USB1287 XMega New features like DMA, DAC, crypto engine, etc. SOIC TSSOP CBGA

Let’s get familiar with the AVR part numbers ATmega128 Atmel group Flash =128K ATtiny44 AT90S4433 Atmel Flash =4K Atmel Tiny group Classic group Flash =4K